Clarified error message; extended error to identifier end

Lengthening the reported error length to include all of the identifier necessitates scanning for all of the identifier. I also reset the `pos` after so other identifier scanning still happens.

src/compiler/diagnosticMessages.json

@@ -1011,7 +1011,7 @@
         "category": "Message",
         "code": 1350
     },
-    "An identifier cannot follow a numeric literal.": {
+    "An identifier or keyword cannot immediately follow a numeric literal.": {
         "category": "Error",
         "code": 1351
     },

src/compiler/scanner.ts

@@ -991,9 +991,14 @@ namespace ts {
         }
 
         function checkForIdentifierStartAfterNumericLiteral() {
-            if (isIdentifierStart(text.charCodeAt(pos), languageVersion)) {
-                error(Diagnostics.An_identifier_cannot_follow_a_numeric_literal, pos, 1);
+            if (!isIdentifierStart(text.charCodeAt(pos), languageVersion)) {
+                return;
             }
+
+            const identifierStart = pos;
+            const { length } = scanIdentifierParts();
+            error(Diagnostics.An_identifier_or_keyword_cannot_immediately_follow_a_numeric_literal, identifierStart, length);
+            pos = identifierStart;
         }
 
         function scanOctalDigits(): number {

tests/baselines/reference/identifierStartAfterNumericLiteral.errors.txt

@@ -1,65 +1,135 @@
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(1,16): error TS1351: An identifier cannot follow a numeric literal.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(3,2): error TS1351: An identifier cannot follow a numeric literal.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(1,16): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(3,2): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
 tests/cases/compiler/identifierStartAfterNumericLiteral.ts(3,2): error TS2304: Cannot find name 'a'.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(4,3): error TS1124: Digit expected.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(4,4): error TS2538: Type 'null' cannot be used as an index type.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(5,2): error TS1351: An identifier cannot follow a numeric literal.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(6,3): error TS1124: Digit expected.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(6,3): error TS2304: Cannot find name 'n'.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(7,2): error TS1351: An identifier cannot follow a numeric literal.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(7,2): error TS2304: Cannot find name 'a'.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(8,3): error TS1124: Digit expected.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(10,3): error TS1124: Digit expected.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(10,3): error TS2304: Cannot find name 'e'.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(12,3): error TS1005: ';' expected.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(13,3): error TS1351: An identifier cannot follow a numeric literal.
-tests/cases/compiler/identifierStartAfterNumericLiteral.ts(13,3): error TS2304: Cannot find name 'a'.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(4,4): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(4,4): error TS2304: Cannot find name 'a'.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(5,3): error TS1124: Digit expected.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(5,4): error TS2538: Type 'null' cannot be used as an index type.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(6,5): error TS1124: Digit expected.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(6,6): error TS2538: Type 'null' cannot be used as an index type.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(7,2): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(8,4): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(9,3): error TS1124: Digit expected.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(9,3): error TS2304: Cannot find name 'n'.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(10,5): error TS1124: Digit expected.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(10,5): error TS2304: Cannot find name 'n'.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(11,2): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(11,2): error TS2304: Cannot find name 'a'.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(12,4): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(12,4): error TS2304: Cannot find name 'a'.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(13,4): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(13,4): error TS2304: Cannot find name 'abc'.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(14,3): error TS1124: Digit expected.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(15,5): error TS1124: Digit expected.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(18,3): error TS1124: Digit expected.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(18,3): error TS2304: Cannot find name 'e'.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(19,5): error TS1124: Digit expected.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(19,5): error TS2304: Cannot find name 'e'.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(22,3): error TS1005: ';' expected.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(23,5): error TS1005: ';' expected.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(24,3): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(24,3): error TS2304: Cannot find name 'a'.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(25,5): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(25,5): error TS2304: Cannot find name 'a'.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(26,5): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+tests/cases/compiler/identifierStartAfterNumericLiteral.ts(26,5): error TS2304: Cannot find name 'abc'.
 
 
-==== tests/cases/compiler/identifierStartAfterNumericLiteral.ts (16 errors) ====
+==== tests/cases/compiler/identifierStartAfterNumericLiteral.ts (35 errors) ====
     let valueIn = 3in[null];
-                   ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
+                   ~~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
     
     3a[null]
      ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
      ~
+!!! error TS2304: Cannot find name 'a'.
+    123a[null]
+       ~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+       ~
 !!! error TS2304: Cannot find name 'a'.
     3e[null]
       
 !!! error TS1124: Digit expected.
        ~~~~
+!!! error TS2538: Type 'null' cannot be used as an index type.
+    123e[null]
+        
+!!! error TS1124: Digit expected.
+         ~~~~
 !!! error TS2538: Type 'null' cannot be used as an index type.
     3in[null]
-     ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
+     ~~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+    123in[null]
+       ~~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
     3en[null]
       
 !!! error TS1124: Digit expected.
       ~
+!!! error TS2304: Cannot find name 'n'.
+    123en[null]
+        
+!!! error TS1124: Digit expected.
+        ~
 !!! error TS2304: Cannot find name 'n'.
     1a
      ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
      ~
 !!! error TS2304: Cannot find name 'a'.
+    123a
+       ~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+       ~
+!!! error TS2304: Cannot find name 'a'.
+    123abc
+       ~~~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+       ~~~
+!!! error TS2304: Cannot find name 'abc'.
     1e
       
+!!! error TS1124: Digit expected.
+    123e
+        
 !!! error TS1124: Digit expected.
     1e9
+    123e9
     1ee
       
 !!! error TS1124: Digit expected.
       ~
+!!! error TS2304: Cannot find name 'e'.
+    123ee
+        
+!!! error TS1124: Digit expected.
+        ~
 !!! error TS2304: Cannot find name 'e'.
     1n
+    123n
     2n2
       ~
+!!! error TS1005: ';' expected.
+    123n2
+        ~
 !!! error TS1005: ';' expected.
     2na
       ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
       ~
 !!! error TS2304: Cannot find name 'a'.
+    123na
+        ~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+        ~
+!!! error TS2304: Cannot find name 'a'.
+    123nabc
+        ~~~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+        ~~~
+!!! error TS2304: Cannot find name 'abc'.
     

tests/baselines/reference/identifierStartAfterNumericLiteral.js

@@ -2,34 +2,68 @@
 let valueIn = 3in[null];
 
 3a[null]
+123a[null]
 3e[null]
+123e[null]
 3in[null]
+123in[null]
 3en[null]
+123en[null]
 1a
+123a
+123abc
 1e
+123e
 1e9
+123e9
 1ee
+123ee
 1n
+123n
 2n2
+123n2
 2na
+123na
+123nabc
 
 
 //// [identifierStartAfterNumericLiteral.js]
 var valueIn = 3 in [null];
 3;
 a[null];
+123;
+a[null];
 3e[null];
+123e[null];
 3 in [null];
+123 in [null];
 3e;
 n[null];
+123e;
+n[null];
 1;
 a;
+123;
+a;
+123;
+abc;
 1e;
+123e;
 1e9;
+123e9;
 1e;
 e;
+123e;
+e;
 1n;
+123n;
 2n;
 2;
+123n;
+2;
 2n;
 a;
+123n;
+a;
+123n;
+abc;

tests/baselines/reference/identifierStartAfterNumericLiteral.symbols

@@ -3,14 +3,27 @@ let valueIn = 3in[null];
 >valueIn : Symbol(valueIn, Decl(identifierStartAfterNumericLiteral.ts, 0, 3))
 
 3a[null]
+123a[null]
 3e[null]
+123e[null]
 3in[null]
+123in[null]
 3en[null]
+123en[null]
 1a
+123a
+123abc
 1e
+123e
 1e9
+123e9
 1ee
+123ee
 1n
+123n
 2n2
+123n2
 2na
+123na
+123nabc
 

tests/baselines/reference/identifierStartAfterNumericLiteral.types

@@ -12,45 +12,101 @@ let valueIn = 3in[null];
 >a : any
 >null : null
 
+123a[null]
+>123 : 123
+>a[null] : any
+>a : any
+>null : null
+
 3e[null]
 >3e[null] : any
 >3e : 3
 >null : null
 
+123e[null]
+>123e[null] : any
+>123e : 123
+>null : null
+
 3in[null]
 >3in[null] : boolean
 >3 : 3
 >[null] : null[]
 >null : null
 
+123in[null]
+>123in[null] : boolean
+>123 : 123
+>[null] : null[]
+>null : null
+
 3en[null]
 >3e : 3
 >n[null] : any
 >n : any
 >null : null
 
+123en[null]
+>123e : 123
+>n[null] : any
+>n : any
+>null : null
+
 1a
 >1 : 1
 >a : any
 
+123a
+>123 : 123
+>a : any
+
+123abc
+>123 : 123
+>abc : any
+
 1e
 >1e : 1
 
+123e
+>123e : 123
+
 1e9
 >1e9 : 1000000000
 
+123e9
+>123e9 : 123000000000
+
 1ee
 >1e : 1
 >e : any
 
+123ee
+>123e : 123
+>e : any
+
 1n
 >1n : 1n
 
+123n
+>123n : 123n
+
 2n2
 >2n : 2n
 >2 : 2
 
+123n2
+>123n : 123n
+>2 : 2
+
 2na
 >2n : 2n
 >a : any
 
+123na
+>123n : 123n
+>a : any
+
+123nabc
+>123n : 123n
+>abc : any
+

tests/baselines/reference/numericLiteralsWithTrailingDecimalPoints01.errors.txt

@@ -1,5 +1,5 @@
-tests/cases/compiler/numericLiteralsWithTrailingDecimalPoints01.ts(3,3): error TS1351: An identifier cannot follow a numeric literal.
-tests/cases/compiler/numericLiteralsWithTrailingDecimalPoints01.ts(9,15): error TS1351: An identifier cannot follow a numeric literal.
+tests/cases/compiler/numericLiteralsWithTrailingDecimalPoints01.ts(3,3): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+tests/cases/compiler/numericLiteralsWithTrailingDecimalPoints01.ts(9,15): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
 tests/cases/compiler/numericLiteralsWithTrailingDecimalPoints01.ts(9,23): error TS1005: ',' expected.
 tests/cases/compiler/numericLiteralsWithTrailingDecimalPoints01.ts(9,24): error TS1109: Expression expected.
 
@@ -8,16 +8,16 @@ tests/cases/compiler/numericLiteralsWithTrailingDecimalPoints01.ts(9,24): error
     1..toString();
     1.0.toString();
     1.toString();
-      ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
+      ~~~~~~~~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
     1.+2.0 + 3. ;
     
     // Preserve whitespace where important for JS compatibility
     var i: number = 1;
     var test1 = i.toString();  
     var test2 = 2.toString();
-                  ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
+                  ~~~~~~~~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
                           ~
 !!! error TS1005: ',' expected.
                            ~

tests/baselines/reference/parseBigInt.errors.txt

@@ -1,9 +1,9 @@
 tests/cases/compiler/parseBigInt.ts(51,20): error TS2736: Operator '+' cannot be applied to type '123n'.
 tests/cases/compiler/parseBigInt.ts(52,23): error TS2736: Operator '+' cannot be applied to type '291n'.
 tests/cases/compiler/parseBigInt.ts(56,25): error TS1005: ',' expected.
-tests/cases/compiler/parseBigInt.ts(57,25): error TS1351: An identifier cannot follow a numeric literal.
-tests/cases/compiler/parseBigInt.ts(58,22): error TS1351: An identifier cannot follow a numeric literal.
-tests/cases/compiler/parseBigInt.ts(59,28): error TS1351: An identifier cannot follow a numeric literal.
+tests/cases/compiler/parseBigInt.ts(57,25): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+tests/cases/compiler/parseBigInt.ts(58,22): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+tests/cases/compiler/parseBigInt.ts(59,28): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
 tests/cases/compiler/parseBigInt.ts(60,23): error TS1177: Binary digit expected.
 tests/cases/compiler/parseBigInt.ts(61,20): error TS1178: Octal digit expected.
 tests/cases/compiler/parseBigInt.ts(62,20): error TS1125: Hexadecimal digit expected.
@@ -82,13 +82,13 @@ tests/cases/compiler/parseBigInt.ts(70,72): error TS2345: Argument of type '3' i
 !!! error TS1005: ',' expected.
     { const scientific = 1e2n; }
                             ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
     { const decimal = 4.1n; }
                          ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
     { const leadingDecimal = .1n; }
                                ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
     const emptyBinary = 0bn; // should error but infer 0n
                           
 !!! error TS1177: Binary digit expected.

tests/baselines/reference/parser.numericSeparators.binaryNegative.errors.txt

@@ -1,7 +1,7 @@
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/1.ts(1,5): error TS6188: Numeric separators are not allowed here.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/2.ts(1,3): error TS6188: Numeric separators are not allowed here.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/3.ts(1,2): error TS6188: Numeric separators are not allowed here.
-tests/cases/conformance/parser/ecmascriptnext/numericSeparators/3.ts(1,3): error TS1351: An identifier cannot follow a numeric literal.
+tests/cases/conformance/parser/ecmascriptnext/numericSeparators/3.ts(1,3): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/3.ts(1,3): error TS2304: Cannot find name 'B0101'.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/4.ts(1,6): error TS6189: Multiple consecutive numeric separators are not permitted.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/5.ts(1,13): error TS6189: Multiple consecutive numeric separators are not permitted.
@@ -24,8 +24,8 @@ tests/cases/conformance/parser/ecmascriptnext/numericSeparators/6.ts(1,5): error
     0_B0101
      ~
 !!! error TS6188: Numeric separators are not allowed here.
-      ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
+      ~~~~~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
       ~~~~~
 !!! error TS2304: Cannot find name 'B0101'.
     

tests/baselines/reference/parser.numericSeparators.hexNegative.errors.txt

@@ -1,7 +1,7 @@
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/1.ts(1,5): error TS6188: Numeric separators are not allowed here.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/2.ts(1,3): error TS6188: Numeric separators are not allowed here.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/3.ts(1,2): error TS6188: Numeric separators are not allowed here.
-tests/cases/conformance/parser/ecmascriptnext/numericSeparators/3.ts(1,3): error TS1351: An identifier cannot follow a numeric literal.
+tests/cases/conformance/parser/ecmascriptnext/numericSeparators/3.ts(1,3): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/3.ts(1,3): error TS2304: Cannot find name 'X0101'.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/4.ts(1,6): error TS6189: Multiple consecutive numeric separators are not permitted.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/5.ts(1,13): error TS6189: Multiple consecutive numeric separators are not permitted.
@@ -24,8 +24,8 @@ tests/cases/conformance/parser/ecmascriptnext/numericSeparators/6.ts(1,5): error
     0_X0101
      ~
 !!! error TS6188: Numeric separators are not allowed here.
-      ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
+      ~~~~~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
       ~~~~~
 !!! error TS2304: Cannot find name 'X0101'.
     

tests/baselines/reference/parser.numericSeparators.octalNegative.errors.txt

@@ -1,7 +1,7 @@
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/1.ts(1,5): error TS6188: Numeric separators are not allowed here.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/2.ts(1,3): error TS6188: Numeric separators are not allowed here.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/3.ts(1,2): error TS6188: Numeric separators are not allowed here.
-tests/cases/conformance/parser/ecmascriptnext/numericSeparators/3.ts(1,3): error TS1351: An identifier cannot follow a numeric literal.
+tests/cases/conformance/parser/ecmascriptnext/numericSeparators/3.ts(1,3): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/3.ts(1,3): error TS2304: Cannot find name 'O0101'.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/4.ts(1,6): error TS6189: Multiple consecutive numeric separators are not permitted.
 tests/cases/conformance/parser/ecmascriptnext/numericSeparators/5.ts(1,13): error TS6189: Multiple consecutive numeric separators are not permitted.
@@ -24,8 +24,8 @@ tests/cases/conformance/parser/ecmascriptnext/numericSeparators/6.ts(1,5): error
     0_O0101
      ~
 !!! error TS6188: Numeric separators are not allowed here.
-      ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
+      ~~~~~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
       ~~~~~
 !!! error TS2304: Cannot find name 'O0101'.
     

tests/baselines/reference/tsxAttributeInvalidNames.errors.txt

@@ -1,6 +1,6 @@
 tests/cases/conformance/jsx/file.tsx(10,8): error TS1003: Identifier expected.
-tests/cases/conformance/jsx/file.tsx(10,10): error TS1351: An identifier cannot follow a numeric literal.
 tests/cases/conformance/jsx/file.tsx(10,10): error TS1005: ';' expected.
+tests/cases/conformance/jsx/file.tsx(10,10): error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
 tests/cases/conformance/jsx/file.tsx(10,10): error TS2304: Cannot find name 'data'.
 tests/cases/conformance/jsx/file.tsx(10,15): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type.
 tests/cases/conformance/jsx/file.tsx(10,18): error TS1005: ':' expected.
@@ -26,11 +26,11 @@ tests/cases/conformance/jsx/file.tsx(11,20): error TS1161: Unterminated regular
     <test1 32data={32} />;
            ~~
 !!! error TS1003: Identifier expected.
-             ~
-!!! error TS1351: An identifier cannot follow a numeric literal.
              ~~~~
 !!! error TS1005: ';' expected.
              ~~~~
+!!! error TS1351: An identifier or keyword cannot immediately follow a numeric literal.
+             ~~~~
 !!! error TS2304: Cannot find name 'data'.
                   ~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type.

tests/cases/compiler/identifierStartAfterNumericLiteral.ts

@@ -1,13 +1,26 @@
 let valueIn = 3in[null];
 
 3a[null]
+123a[null]
 3e[null]
+123e[null]
 3in[null]
+123in[null]
 3en[null]
+123en[null]
 1a
+123a
+123abc
 1e
+123e
 1e9
+123e9
 1ee
+123ee
 1n
+123n
 2n2
+123n2
 2na
+123na
+123nabc