Bug 258495

Summary: watchOS builds fail with ASan enabled
Product: WebKit Reporter: David Kilzer (:ddkilzer) <ddkilzer>
Component: JavaScriptCoreAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: ap, mark.lam, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Other   
Hardware: Unspecified   
OS: Unspecified   

Description David Kilzer (:ddkilzer) 2023-06-24 11:32:22 PDT
watchOS builds fail with ASan enabled.

```
In file included from DerivedSources/JavaScriptCore/unified-sources/UnifiedSource7.cpp:1:
In file included from ./assembler/MacroAssemblerPrinter.cpp:27:
In file included from ./assembler/MacroAssemblerPrinter.h:31:
In file included from ./assembler/ProbeContext.h:29:
./assembler/ProbeStack.h:139:5: error: static assertion failed due to requirement 's_chunkSize == (1 << s_chunkSizeShift)': bad chunkSizeShift
    static_assert(s_chunkSize == (1 << s_chunkSizeShift), "bad chunkSizeShift");
    ^             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./assembler/ProbeStack.h:139:31: note: expression evaluates to '4 == 8'
    static_assert(s_chunkSize == (1 << s_chunkSizeShift), "bad chunkSizeShift");
                  ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
```
Comment 1 Radar WebKit Bug Importer 2023-06-24 11:32:37 PDT
<rdar://problem/111265429>
Comment 2 David Kilzer (:ddkilzer) 2023-06-24 11:33:18 PDT
<rdar://111139868>
Comment 3 Alexey Proskuryakov 2023-06-25 16:04:30 PDT
It's interesting that we already have a special case for ASAN_ENABLED here, it just doesn't help on watchOS.