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[turbofan] Add Disallow* scopes to type narrowing reducer.

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R=jarin@chromium.org

Bug: v8:7790
Change-Id: I8a5c308b9534ee1fb669a901b6626c338883fbf8
Reviewed-on: https://chromium-review.googlesource.com/1128741
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54315}
This commit is contained in:
Georg Neis 2018-07-09 10:14:57 +02:00 committed by Commit Bot
parent 8a7812e4dd
commit 75ad46a4b0
1 changed files with 5 additions and 0 deletions
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5
src/compiler/type-narrowing-reducer.cc
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@ -20,6 +20,11 @@ TypeNarrowingReducer::TypeNarrowingReducer(Editor* editor, JSGraph* jsgraph,
TypeNarrowingReducer::~TypeNarrowingReducer() {}
Reduction TypeNarrowingReducer::Reduce(Node* node) {
DisallowHeapAllocation no_heap_allocation;
DisallowHandleAllocation no_handle_allocation;
DisallowHandleDereference no_handle_dereference;
DisallowCodeDependencyChange no_dependency_change;
Type new_type = Type::Any();
switch (node->opcode()) {