Bind the function declarations in block scope in strict mode

src/compiler/binder.ts

@@ -1640,7 +1640,12 @@ namespace ts {
             }
 
             checkStrictModeFunctionName(<FunctionDeclaration>node);
-            return declareSymbolAndAddToSymbolTable(<Declaration>node, SymbolFlags.Function, SymbolFlags.FunctionExcludes);
+            if (inStrictMode) {
+                bindBlockScopedDeclaration(node, SymbolFlags.Function, SymbolFlags.FunctionExcludes);
+            }
+            else {
+                return declareSymbolAndAddToSymbolTable(<Declaration>node, SymbolFlags.Function, SymbolFlags.FunctionExcludes);
+            }
         }
 
         function bindFunctionExpression(node: FunctionExpression) {

tests/baselines/reference/blockScopedFunctionDeclarationStrictES5.errors.txt

@@ -0,0 +1,12 @@
+tests/cases/compiler/blockScopedFunctionDeclarationStrictES5.ts(6,1): error TS2304: Cannot find name 'foo'.
+
+
+==== tests/cases/compiler/blockScopedFunctionDeclarationStrictES5.ts (1 errors) ====
+    "use strict";
+    if (true) {
+        function foo() { } // Error to declare function in block scope
+        foo(); // This call should be ok
+    }
+    foo(); // Error to find name foo
+    ~~~
+!!! error TS2304: Cannot find name 'foo'.

tests/baselines/reference/blockScopedFunctionDeclarationStrictES5.symbols

@@ -1,12 +0,0 @@
-=== tests/cases/compiler/blockScopedFunctionDeclarationStrictES5.ts ===
-"use strict";
-if (true) {
-    function foo() { } // Error to declare function in block scope
->foo : Symbol(foo, Decl(blockScopedFunctionDeclarationStrictES5.ts, 1, 11))
-
-    foo(); // This call should be ok
->foo : Symbol(foo, Decl(blockScopedFunctionDeclarationStrictES5.ts, 1, 11))
-}
-foo(); // Error to find name foo
->foo : Symbol(foo, Decl(blockScopedFunctionDeclarationStrictES5.ts, 1, 11))
-

tests/baselines/reference/blockScopedFunctionDeclarationStrictES5.types

@@ -1,18 +0,0 @@
-=== tests/cases/compiler/blockScopedFunctionDeclarationStrictES5.ts ===
-"use strict";
->"use strict" : string
-
-if (true) {
->true : boolean
-
-    function foo() { } // Error to declare function in block scope
->foo : () => void
-
-    foo(); // This call should be ok
->foo() : void
->foo : () => void
-}
-foo(); // Error to find name foo
->foo() : void
->foo : () => void
-

tests/baselines/reference/blockScopedFunctionDeclarationStrictES6.errors.txt

@@ -0,0 +1,12 @@
+tests/cases/compiler/blockScopedFunctionDeclarationStrictES6.ts(6,1): error TS2304: Cannot find name 'foo'.
+
+
+==== tests/cases/compiler/blockScopedFunctionDeclarationStrictES6.ts (1 errors) ====
+    "use strict";
+    if (true) {
+        function foo() { } // Allowed to declare block scope function
+        foo(); // This call should be ok
+    }
+    foo(); // Cannot find name since foo is block scoped
+    ~~~
+!!! error TS2304: Cannot find name 'foo'.

tests/baselines/reference/blockScopedFunctionDeclarationStrictES6.symbols

@@ -1,12 +0,0 @@
-=== tests/cases/compiler/blockScopedFunctionDeclarationStrictES6.ts ===
-"use strict";
-if (true) {
-    function foo() { } // Allowed to declare block scope function
->foo : Symbol(foo, Decl(blockScopedFunctionDeclarationStrictES6.ts, 1, 11))
-
-    foo(); // This call should be ok
->foo : Symbol(foo, Decl(blockScopedFunctionDeclarationStrictES6.ts, 1, 11))
-}
-foo(); // Cannot find name since foo is block scoped
->foo : Symbol(foo, Decl(blockScopedFunctionDeclarationStrictES6.ts, 1, 11))
-

tests/baselines/reference/blockScopedFunctionDeclarationStrictES6.types

@@ -1,18 +0,0 @@
-=== tests/cases/compiler/blockScopedFunctionDeclarationStrictES6.ts ===
-"use strict";
->"use strict" : string
-
-if (true) {
->true : boolean
-
-    function foo() { } // Allowed to declare block scope function
->foo : () => void
-
-    foo(); // This call should be ok
->foo() : void
->foo : () => void
-}
-foo(); // Cannot find name since foo is block scoped
->foo() : void
->foo : () => void
-