[Webkit-unassigned] [Bug 194699] New: [CLoop] stress/butterfly-zero-unused-butterfly-properties.js started to crash on aarch64

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=194699

            Bug ID: 194699
           Summary: [CLoop]
                    stress/butterfly-zero-unused-butterfly-properties.js
                    started to crash on aarch64
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tpopela at redhat.com

The stress/butterfly-zero-unused-butterfly-properties.js crashes with SIGILL:

stress/butterfly-zero-unused-butterfly-properties.js.default: test_script_2123: line 2:  6070 Segmentation fault      (core dumped) ( "$@" /home/jenkins/workspace/WebKit-JSC/label/aarch64/WebKitBuild/Release/bin/jsc --useFTLJIT\=false --useFunctionDotArguments\=true --validateExceptionChecks\=true --useDollarVM\=true --maxPerThreadStackUsage\=1572864 --useFTLJIT\=true --jitPolicyScale\=0 --gcMaxHeapSize\=2000 butterfly-zero-unused-butterfly-properties.js )
stress/butterfly-zero-unused-butterfly-properties.js.default: ERROR: Unexpected exit code: 139

It first started to crash in the 5th of February, when these commits were pushed:

[JSC] UnlinkedMetadataTable assumes that MetadataTable is destroyed (detail)
[iOS] Tiles not created in large scrollable iframes (detail)
DFG's doesGC() is incorrect about the SameValue node's behavior. (detail)
Source/WebCore: Rename GraphicsLayer and PlatformCALayer scrolling layer (detail)
[GTK] Remove last python2 dependency from CMake build process (detail)
Unreviewed, only force settings.acceleratedCompositingEnabled() to true (detail)
[css-scroll-snap] scroll-snap-align not honored on child with (detail)
[GTK] Allow pinch zoom on touchpad (detail)
Unreviewed, fix unused variable warnings introduced in r240912 (detail)
[LFC][IFC] Make InlineFormattingContext::collectInlineContent (detail)
Unreviewed, avoid -Wswitch warnings introduced in r240880 (detail)
[iOS] Unable to make a selection in jsfiddle.net using arrow keys when (detail)
Use a dedicated type instead of int32_t for pointer identifiers (detail)
Capture state should be managed consistently when doing process swapping (detail)
<rdar://problem/47788802> (detail)
Make sure to remove the device observer in AVVideoCaptureSource (detail)
IndexedDB: leak WebIDBConnectionToServer in layout tests (detail)
Add demos for Intersection Observer API (detail)
[iOS] API test WKAttachmentTests.InsertAndRemoveDuplicateAttachment is (detail)
REGRESSION (r237269): webkit-patch what-broke is broken (detail)
Unreviewed, improve preprocessor guard (detail)
[JSC] Shrink size of FunctionExecutable (detail)
Source/WebCore: When performing Increment or Decrement on sliders, check (detail)
PageOverlayController's layers should be created lazily (detail)
Async overflow scroll with border-radius renders incorrectly (detail)
[First paint] Adjust "finishedParsingMainDocument" flag by taking (detail)
Use constants for pointer types (detail)
Use deferrable timer to restart the Responsiveness Timer on each wheel (detail)
[Web GPU] Code clean-up for RenderPipeline backend (detail)
Web Inspector: Styles: fix race conditions when editing (detail)
Web Inspector: REGRESSION: clicking a selected call frame doesn't (detail)
Add WebView SPI to temporarily force light or dark appearance on a page. (detail)
[CG] Enable setAdditionalSupportedImageTypes for WK1 (detail)
Web Inspector: REGRESSION: Resources: WI.TreeOutline assertions when (detail)
[JSC] ExecutableToCodeBlockEdge should be smaller (detail)
Web Inspector: Resources: missing resource data for document on reload (detail)
webkitpy: Precedence of booted devices should match precedence in (detail)
Take additional process assertion while downloading. (detail)
Make MessageSender functions const (detail)
Move XPCService main to a shared file calling a C function (detail)
[iOS Simulator] pageoverlay/overlay tests are flaky failures (detail)
[curl] ASSERTION FAILED: !m_didNotifyResponse || m_multipartHandle (detail)
when lowering AssertNotEmpty, create the value before creating the (detail)

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