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Unified Diff: src/ia32/code-stubs-ia32.cc

Issue 1552473002: Revert of [runtime] Introduce dedicated JSBoundFunction to represent bound functions. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@FunctionConstructor
Patch Set: Created 5 years ago
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Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index afd3cae9498f610d5075c84b5ae965ebe5c819a5..9e7220df22901a03d920eb3874747d1fb6211f0a 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -2557,6 +2557,14 @@
static_cast<uint8_t>(1 << Map::kHasNonInstancePrototype));
__ j(not_zero, &slow_case);
+ // Ensure that {function} is not bound.
+ Register const shared_info = scratch;
+ __ mov(shared_info,
+ FieldOperand(function, JSFunction::kSharedFunctionInfoOffset));
+ __ BooleanBitTest(shared_info, SharedFunctionInfo::kCompilerHintsOffset,
+ SharedFunctionInfo::kBoundFunction);
+ __ j(not_zero, &slow_case);
+
// Get the "prototype" (or initial map) of the {function}.
__ mov(function_prototype,
FieldOperand(function, JSFunction::kPrototypeOrInitialMapOffset));
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