AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

[fuzzer][wasm] Fix struct.new_default for immutable structs

Browse Source 
struct.new_default may not be called for immutable structs.
Follow-up to d2c75d321e.

Change-Id: I7b682938ca5da00ef6c9bec29856133301beb6b4
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3802688
Auto-Submit: Matthias Liedtke <mliedtke@chromium.org>
Commit-Queue: Matthias Liedtke <mliedtke@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82108}
This commit is contained in:
Matthias Liedtke 2022-08-01 10:16:01 +00:00 committed by V8 LUCI CQ
parent 0505419a1e
commit 9182c028c1
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
test/fuzzer/wasm-compile.cc
View File

@ -862,8 +862,10 @@ class WasmGenerator {
bool can_be_defaultable = std::all_of(
struct_gen->fields().begin(), struct_gen->fields().end(),
[](ValueType type) -> bool { return type.is_defaultable(); });
if (new_default && can_be_defaultable) {
bool is_mutable = std::all_of(
struct_gen->mutabilities().begin(), struct_gen->mutabilities().end(),
[](bool mutability) -> bool { return mutability; });
if (new_default && can_be_defaultable && is_mutable) {
builder_->EmitWithPrefix(kExprStructNewDefault);
builder_->EmitU32V(index);
} else {