[Webkit-unassigned] [Bug 218443] New: [JSC] Remove compiler warning in LLIntData.cpp
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bugzilla-daemon at webkit.org
Mon Nov 2 06:32:33 PST 2020
https://bugs.webkit.org/show_bug.cgi?id=218443
Bug ID: 218443
Summary: [JSC] Remove compiler warning in LLIntData.cpp
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: xan.lopez at gmail.com
This warning has been around in my machine for a while:
In file included from DerivedSources/ForwardingHeaders/wtf/StdLibExtras.h:32,
from DerivedSources/ForwardingHeaders/wtf/FastMalloc.h:26,
from ../../Source/JavaScriptCore/config.h:38,
from ../../Source/JavaScriptCore/llint/LLIntCLoop.cpp:26,
from DerivedSources/JavaScriptCore/unified-sources/UnifiedSource-6e4525b9-1.cpp:1:
../../Source/JavaScriptCore/llint/LLIntData.cpp: In static member function ‘static void JSC::LLInt::Data::performAssertions(JSC::VM&)’:
../../Source/JavaScriptCore/llint/LLIntData.cpp:100:88: warning: comparison of integer expressions of different signedness: ‘long unsigned int’ and ‘ptrdiff_t’ {aka ‘long int’} [-Wsign-compare]
100 | ASSERT(static_cast<long unsigned int>(CallFrameSlot::codeBlock * sizeof(Register)) == CallFrame::returnPCOffset() + MachineRegisterSize);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
DerivedSources/ForwardingHeaders/wtf/Assertions.h:346:11: note: in definition of macro ‘ASSERT’
346 | if (!(assertion)) { \
| ^~~~~~~~~
This seems fixable by casting the scoped enum used in this comparison (CallFrameSlot) to its underlying type, which seems advised in this kind of operation anyway. Also while at it I removed the type annotation for the enum, since we are using the default.
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