From 194e6155211353738bb14ffd1ca9e9662a455b0e Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Sat, 6 Apr 2019 10:55:02 +0200
Subject: Inline Parser::checkAssignmentToCall into its sole caller.

---
 js/src/frontend/Parser.cpp | 19 +++++--------------
 js/src/frontend/Parser.h   |  2 --
 2 files changed, 5 insertions(+), 16 deletions(-)

diff --git a/js/src/frontend/Parser.cpp b/js/src/frontend/Parser.cpp
index 3f793ffcf..041c92fa7 100644
--- a/js/src/frontend/Parser.cpp
+++ b/js/src/frontend/Parser.cpp
@@ -4084,19 +4084,6 @@ Parser<ParseHandler>::PossibleError::transferErrorsTo(PossibleError* other)
     transferErrorTo(ErrorKind::Expression, other);
 }
 
-template <typename ParseHandler>
-bool
-Parser<ParseHandler>::checkAssignmentToCall(Node target, unsigned msg)
-{
-    MOZ_ASSERT(handler.isFunctionCall(target));
-
-    // Assignment to function calls is forbidden in ES6.  We're still somewhat
-    // concerned about sites using this in dead code, so forbid it only in
-    // strict mode code (or if the werror option has been set), and otherwise
-    // warn.
-    return reportWithNode(ParseStrictError, pc->sc()->strict(), target, msg);
-}
-
 template <>
 bool
 Parser<FullParseHandler>::checkDestructuringName(ParseNode* expr, Maybe<DeclarationKind> maybeDecl)
@@ -7862,7 +7849,11 @@ Parser<ParseHandler>::checkAndMarkAsIncOperand(Node target, AssignmentFlavor fla
         if (!reportIfArgumentsEvalTarget(target))
             return false;
     } else if (handler.isFunctionCall(target)) {
-        if (!checkAssignmentToCall(target, JSMSG_BAD_INCOP_OPERAND))
+        // Assignment to function calls is forbidden in ES6.  We're still
+        // somewhat concerned about sites using this in dead code, so forbid it
+        // only in strict mode code (or if the werror option has been set), and
+        // otherwise warn.
+        if (!reportWithNode(ParseStrictError, pc->sc()->strict(), target, JSMSG_BAD_INCOP_OPERAND))
             return false;
     }
     return true;
diff --git a/js/src/frontend/Parser.h b/js/src/frontend/Parser.h
index 70d382501..8bffafc42 100644
--- a/js/src/frontend/Parser.h
+++ b/js/src/frontend/Parser.h
@@ -1432,8 +1432,6 @@ class Parser final : private JS::AutoGCRooter, public StrictModeGetter
     bool checkDestructuringObject(Node objectPattern, mozilla::Maybe<DeclarationKind> maybeDecl);
     bool checkDestructuringName(Node expr, mozilla::Maybe<DeclarationKind> maybeDecl);
 
-    bool checkAssignmentToCall(Node node, unsigned errnum);
-
     Node newNumber(const Token& tok) {
         return handler.newNumber(tok.number(), tok.decimalPoint(), tok.pos);
     }
-- 
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