Report for-loop-decl-with-initializer errors using a specified offset

instead of a node's offset.

2 files changed, 4 insertions, 2 deletions

diff --git a/js/src/frontend/Parser.cpp b/js/src/frontend/Parser.cpp
index 2702f30750..a265204778 100644
--- a/js/src/frontend/Parser.cpp
+++ b/js/src/frontend/Parser.cpp
@@ -4459,7 +4459,7 @@ Parser<ParseHandler>::initializerInNameDeclaration(Node decl, Node binding,
             //
             //   for (var/let/const x = ... of ...); // BAD
             if (isForOf) {
-                reportWithNode(ParseError, false, binding, JSMSG_BAD_FOR_LEFTSIDE);
+                errorAt(initializerOffset, JSMSG_OF_AFTER_FOR_LOOP_DECL);
                 return false;
             }
 
@@ -4468,7 +4468,7 @@ Parser<ParseHandler>::initializerInNameDeclaration(Node decl, Node binding,
                 //
                 //   for (let/const x = ... in ...); // BAD
                 if (DeclarationKindIsLexical(declKind)) {
-                    reportWithNode(ParseError, false, binding, JSMSG_BAD_FOR_LEFTSIDE);
+                    errorAt(initializerOffset, JSMSG_IN_AFTER_LEXICAL_FOR_DECL);
                     return false;
                 }
 
diff --git a/js/src/js.msg b/js/src/js.msg
index 42a48c3a5f..a19e3aa851 100644
--- a/js/src/js.msg
+++ b/js/src/js.msg
@@ -262,6 +262,8 @@ MSG_DEF(JSMSG_GARBAGE_AFTER_INPUT,     2, JSEXN_SYNTAXERR, "unexpected garbage a
 MSG_DEF(JSMSG_IDSTART_AFTER_NUMBER,    0, JSEXN_SYNTAXERR, "identifier starts immediately after numeric literal")
 MSG_DEF(JSMSG_ILLEGAL_CHARACTER,       0, JSEXN_SYNTAXERR, "illegal character")
 MSG_DEF(JSMSG_IMPORT_DECL_AT_TOP_LEVEL, 0, JSEXN_SYNTAXERR, "import declarations may only appear at top level of a module")
+MSG_DEF(JSMSG_OF_AFTER_FOR_LOOP_DECL,  0, JSEXN_SYNTAXERR, "a declaration in the head of a for-of loop can't have an initializer")
+MSG_DEF(JSMSG_IN_AFTER_LEXICAL_FOR_DECL,0,JSEXN_SYNTAXERR, "a lexical declaration in the head of a for-in loop can't have an initializer")
 MSG_DEF(JSMSG_INVALID_FOR_IN_DECL_WITH_INIT,0,JSEXN_SYNTAXERR,"for-in loop head declarations may not have initializers")
 MSG_DEF(JSMSG_LABEL_NOT_FOUND,         0, JSEXN_SYNTAXERR, "label not found")
 MSG_DEF(JSMSG_LET_COMP_BINDING,        0, JSEXN_SYNTAXERR, "'let' is not a valid name for a comprehension variable")