| Summary: | Compiler Incorrect Optimization | ||
|---|---|---|---|
| Product: | WebKit | Reporter: | zhiyi <vulbugs> |
| Component: | JavaScriptCore | Assignee: | Nobody <webkit-unassigned> |
| Status: | NEW --- | ||
| Severity: | Normal | CC: | fpizlo, lukas.bernhard, saam, webkit-bug-importer |
| Priority: | P2 | Keywords: | InRadar |
| Version: | WebKit Nightly Build | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
OS: ubuntu20.04 Architecture: <x64> ./jsc bug.js expected output 3 3 actual output 3 -1 bug.js ################################## function f() { let v0 = 2147483648; const v1 = v0--; const v2 = new Float32Array([111,222,333,v1]); const v3 = v2.indexOf(v0); return v3; } let a0 = f(); print(a0); for (let i = 0; i < 0x1000; i++) { f(); } let a3 = f(); print(a3);