Fix test for function declarations syntax error.

test/mjsunit/es6/block-let-declaration.js

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 50 matching lines @@
   assertDoesNotThrow("(function(arg){ 'use strict'; " + str + "})()");
 }
 
 // Test let declarations in statement positions.
 TestLocalThrows("if (true) let x;", SyntaxError);
 TestLocalThrows("if (true) {} else let x;", SyntaxError);
 TestLocalThrows("do let x; while (false)", SyntaxError);
 TestLocalThrows("while (false) let x;", SyntaxError);
 TestLocalThrows("label: let x;", SyntaxError);
 TestLocalThrows("for (;false;) let x;", SyntaxError);
-TestLocalThrows("switch (true) { case true: let x; }", SyntaxError);
-TestLocalThrows("switch (true) { default: let x; }", SyntaxError);
+TestLocalDoesNotThrow("switch (true) { case true: let x; }");
+TestLocalDoesNotThrow("switch (true) { default: let x; }");
 
 // Test const declarations with initialisers in statement positions.
 TestLocalThrows("if (true) const x = 1;", SyntaxError);
 TestLocalThrows("if (true) {} else const x = 1;", SyntaxError);
 TestLocalThrows("do const x = 1; while (false)", SyntaxError);
 TestLocalThrows("while (false) const x = 1;", SyntaxError);
 TestLocalThrows("label: const x = 1;", SyntaxError);
 TestLocalThrows("for (;false;) const x = 1;", SyntaxError);
-TestLocalThrows("switch (true) { case true: const x = 1; }", SyntaxError);
-TestLocalThrows("switch (true) { default: const x = 1; }", SyntaxError);
+TestLocalDoesNotThrow("switch (true) { case true: const x = 1; }");
+TestLocalDoesNotThrow("switch (true) { default: const x = 1; }");
 
 // Test const declarations without initialisers.
 TestLocalThrows("const x;", SyntaxError);
 TestLocalThrows("const x = 1, y;", SyntaxError);
 TestLocalThrows("const x, y = 1;", SyntaxError);
 
 // Test const declarations without initialisers in statement positions.
 TestLocalThrows("if (true) const x;", SyntaxError);
 TestLocalThrows("if (true) {} else const x;", SyntaxError);
 TestLocalThrows("do const x; while (false)", SyntaxError);
@@ skipping 47 matching lines @@
       function h1() { }
     }
   }
   {
     function g1() { }
   }
 }
 f();
 
 // Test function declarations in statement position in strict mode.
-TestLocalThrows("function f() { if (true) function g() {}", SyntaxError);
-TestLocalThrows("function f() { if (true) {} else function g() {}", SyntaxError);
-TestLocalThrows("function f() { do function g() {} while (false)", SyntaxError);
-TestLocalThrows("function f() { while (false) function g() {}", SyntaxError);
-TestLocalThrows("function f() { label: function g() {}", SyntaxError);
-TestLocalThrows("function f() { for (;false;) function g() {}", SyntaxError);
-TestLocalThrows("function f() { switch (true) { case true: function g() {} }", SyntaxError);
-TestLocalThrows("function f() { switch (true) { default: function g() {} }", SyntaxError);
+TestLocalThrows("function f() { if (true) function g() {} }", SyntaxError);
+TestLocalThrows("function f() { if (true) {} else function g() {} }", SyntaxError);
+TestLocalThrows("function f() { do function g() {} while (false) }", SyntaxError);
+TestLocalThrows("function f() { while (false) function g() {} }", SyntaxError);
+TestLocalThrows("function f() { label: function g() {} }", SyntaxError);
+TestLocalThrows("function f() { for (;false;) function g() {} }", SyntaxError);
+TestLocalDoesNotThrow("function f() { switch (true) { case true: function g() {} } }");
+TestLocalDoesNotThrow("function f() { switch (true) { default: function g() {} } }");