[Webkit-unassigned] [Bug 270832] New: wasm/stress/simple-inline-stacktrace-with-catch.js is a flakey failure on X86

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Mar 11 19:19:29 PDT 2024


https://bugs.webkit.org/show_bug.cgi?id=270832

            Bug ID: 270832
           Summary: wasm/stress/simple-inline-stacktrace-with-catch.js is
                    a flakey failure on X86
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: keith_miller at apple.com

do: cd JSTests/wasm/stress; run-jsc -m simple-inline-stacktrace-with-catch.js --maximumWasmCalleeSizeForInlining=2147483647 --maximumWasmCallerSizeForInlining=2147483647 --maximumWasmDepthForInlining=5 --thresholdForJITAfterWarmUp=10 --thresholdForJITSoon=10 --thresholdForOptimizeAfterWarmUp=20 --thresholdForOptimizeAfterLongWarmUp=20 --thresholdForOptimizeSoon=20 --thresholdForFTLOptimizeAfterWarmUp=20 --thresholdForFTLOptimizeSoon=20 --thresholdForOMGOptimizeAfterWarmUp=20 --thresholdForOMGOptimizeSoon=20 --maximumEvalCacheableSourceLength=150000 --useEagerCodeBlockJettisonTiming=true --repatchBufferingCountdown=0 --useBaselineJIT=0

on arm64 Mac with Rosetta (You'll have to remove the com.apple.private.verified-jit and com.apple.security.cs.single-jit from mac_process_jsc_entitlements) and you should get a pretty consistent failure. Doesn't seem to repro with concurrent JIT off.

I get: 

Exception: unexpected length, got:
doThrow@/Volumes/Code/clean/OpenSource/JSTests/wasm/stress/simple-inline-stacktrace-with-catch.js:7:24
<?>.wasm-function[15]@[wasm code]
<?>.wasm-function[16]@[wasm code]
module code@/Volumes/Code/clean/OpenSource/JSTests/wasm/stress/simple-inline-stacktrace-with-catch.js:138:10
Expected:
*
<?>.wasm-function[14]@[wasm code]
<?>.wasm-function[15]@[wasm code]
<?>.wasm-function[16]@[wasm code]
*

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