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Unified Diff: src/ic/handler-compiler.cc

Issue 1185343005: Revert of Revert of [strong] Implement strong mode restrictions on property access (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 6 months ago
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Index: src/ic/handler-compiler.cc
diff --git a/src/ic/handler-compiler.cc b/src/ic/handler-compiler.cc
index 04b8fb0c8cd436e804b86af5ca5d29500952f3db..99c9c1519d3ccbbced2f1384945e66da2021b0c7 100644
--- a/src/ic/handler-compiler.cc
+++ b/src/ic/handler-compiler.cc
@@ -537,7 +537,8 @@
void ElementHandlerCompiler::CompileElementHandlers(
- MapHandleList* receiver_maps, CodeHandleList* handlers) {
+ MapHandleList* receiver_maps, CodeHandleList* handlers,
+ LanguageMode language_mode) {
for (int i = 0; i < receiver_maps->length(); ++i) {
Handle<Map> receiver_map = receiver_maps->at(i);
Handle<Code> cached_stub;
@@ -553,8 +554,10 @@
// No need to check for an elements-free prototype chain here, the
// generated stub code needs to check that dynamically anyway.
bool convert_hole_to_undefined =
- is_js_array && elements_kind == FAST_HOLEY_ELEMENTS &&
- *receiver_map == isolate()->get_initial_js_array_map(elements_kind);
+ (is_js_array && elements_kind == FAST_HOLEY_ELEMENTS &&
+ *receiver_map ==
+ isolate()->get_initial_js_array_map(elements_kind)) &&
+ !is_strong(language_mode);
if (receiver_map->has_indexed_interceptor()) {
cached_stub = LoadIndexedInterceptorStub(isolate()).GetCode();
@@ -567,7 +570,9 @@
convert_hole_to_undefined).GetCode();
} else {
DCHECK(elements_kind == DICTIONARY_ELEMENTS);
- cached_stub = LoadDictionaryElementStub(isolate()).GetCode();
+ LoadICState state = LoadICState(
+ is_strong(language_mode) ? LoadICState::kStrongModeState : 0);
+ cached_stub = LoadDictionaryElementStub(isolate(), state).GetCode();
}
}
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