Bug 268739 – [GTK] [2.42.5] LowLevelInterpreter.cpp:339:21: error: ‘t6’ was not declared in this scope

• Status: RESOLVED
• Resolution: FIXED
• Component: WebKitGTK

[Alberto Garcia]

WebKitGTK 2.42.5 fails to build in i386 (works fine in x86_64):

In file included from /tmp/webkit2gtk-2.42.5/build-soup2/WTF/Headers/wtf/Platform.h:31,
                 from /tmp/webkit2gtk-2.42.5/build-soup2/WTF/Headers/wtf/ExportMacros.h:32,
                 from /tmp/webkit2gtk-2.42.5/Source/JavaScriptCore/runtime/JSExportMacros.h:32,
                 from /tmp/webkit2gtk-2.42.5/Source/JavaScriptCore/config.h:34,
                 from /tmp/webkit2gtk-2.42.5/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp:26:
/tmp/webkit2gtk-2.42.5/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp: In static member function ‘static JSC::JSValue JSC::LLInt::CLoop::execute(JSC::OpcodeID, void*, JSC::VM*, JSC::ProtoCallFrame*, bool)’:
/tmp/webkit2gtk-2.42.5/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp:339:21: error: ‘t6’ was not declared in this scope; did you mean ‘tm’?
  339 |     UNUSED_VARIABLE(t6);
      |                     ^~
/tmp/webkit2gtk-2.42.5/build-soup2/WTF/Headers/wtf/Compiler.h:413:38: note: in definition of macro ‘UNUSED_PARAM’
  413 | #define UNUSED_PARAM(variable) (void)variable
      |                                      ^~~~~~~~
/tmp/webkit2gtk-2.42.5/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp:339:5: note: in expansion of macro ‘UNUSED_VARIABLE’
  339 |     UNUSED_VARIABLE(t6);
      |     ^~~~~~~~~~~~~~~
/tmp/webkit2gtk-2.42.5/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp:340:21: error: ‘t7’ was not declared in this scope; did you mean ‘tm’?
  340 |     UNUSED_VARIABLE(t7);
      |                     ^~
/tmp/webkit2gtk-2.42.5/build-soup2/WTF/Headers/wtf/Compiler.h:413:38: note: in definition of macro ‘UNUSED_PARAM’
  413 | #define UNUSED_PARAM(variable) (void)variable
      |                                      ^~~~~~~~
/tmp/webkit2gtk-2.42.5/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp:340:5: note: in expansion of macro ‘UNUSED_VARIABLE’
  340 |     UNUSED_VARIABLE(t7);
      |     ^~~~~~~~~~~~~~~
ninja: build stopped: subcommand failed.

[Alberto Garcia]

This is almost certainly this cherry-pick:

https://github.com/WebKit/WebKit/commit/c1f8a9e819201b59cacc047715b30dd2b4a1df30

t6 and t7 are not defined in the 2.42 branch.

[Michael Catanzaro]

Fixed on 2.42 branch

[Adrian Perez]

Thanks Michael!