Bug 1296814 - Report the error for uninitialized const-declaration in for(;;) loop head using an explicit offset. r=anba

--HG--
extra : rebase_source : 7f22ef8b9db1676067905a3cfb4fa7a68b69fbe2

js/src/frontend/Parser.cpp

@@ -4493,7 +4493,7 @@ Parser<ParseHandler>::declarationName(Node decl, DeclarationKind declKind, Token
             // Normal const declarations, and const declarations in for(;;)
             // heads, must be initialized.
             if (declKind == DeclarationKind::Const) {
-                reportWithNode(ParseError, false, binding, JSMSG_BAD_CONST_DECL);
+                errorAt(namePos.begin, JSMSG_BAD_CONST_DECL);
                 return null();
             }
         }