Testcase: var args = "a"; for (var i = 0; i < 600; ++i) args += ",a"; var myFunc = Function(args, "print(myFunc.length)"); myFunc(); #0 0xb69fd2b8 in WTFCrash () at /home/rgabor/WebKit/Source/WTF/wtf/Assertions.cpp:333 #1 0xb6705faa in JSC::ARMThumbImmediate::getUInt16 (this=0xbeffe984) at /home/rgabor/WebKit/Source/JavaScriptCore/assembler/ARMv7Assembler.h:437 #2 0xb67060fa in JSC::ARMv7Assembler::add (this=0xbeffea18, rd=JSC::ARMRegisters::r13, rn=JSC::ARMRegisters::r13, imm=...) at /home/rgabor/WebKit/Source/JavaScriptCore/assembler/ARMv7Assembler.h:861 #3 0xb67075ae in JSC::MacroAssemblerARMv7::add32 (this=0xbeffea18, imm=..., src=JSC::ARMRegisters::r13, dest=JSC::ARMRegisters::r13) at /home/rgabor/WebKit/Source/JavaScriptCore/assembler/MacroAssemblerARMv7.h:182 #4 0xb670754c in JSC::MacroAssemblerARMv7::add32 (this=0xbeffea18, imm=..., dest=JSC::ARMRegisters::r13) at /home/rgabor/WebKit/Source/JavaScriptCore/assembler/MacroAssemblerARMv7.h:161 #5 0xb6707d88 in JSC::MacroAssembler::addPtr (this=0xbeffea18, imm=..., srcDest=JSC::ARMRegisters::r13) at /home/rgabor/WebKit/Source/JavaScriptCore/assembler/MacroAssembler.h:444 #6 0xb681d8b8 in JSC::ArityCheckFailReturnThunks::returnPCsFor (this=0x5b6f8, vm=..., numExpectedArgumentsIncludingThis=524) at /home/rgabor/WebKit/Source/JavaScriptCore/jit/ArityCheckFailReturnThunks.cpp:86 #7 0xb681db82 in JSC::ArityCheckFailReturnThunks::returnPCFor (this=0x5b6f8, vm=..., slotsToAdd=524) at /home/rgabor/WebKit/Source/JavaScriptCore/jit/ArityCheckFailReturnThunks.cpp:128 #8 0xb68e5b4a in JSC::setupArityCheckData (vm=..., slotsToAdd=262) at /home/rgabor/WebKit/Source/JavaScriptCore/runtime/CommonSlowPaths.cpp:173 #9 0xb68e5c34 in JSC::slow_path_call_arityCheck (exec=0xbeffec88, pc=0x772c8) at /home/rgabor/WebKit/Source/JavaScriptCore/runtime/CommonSlowPaths.cpp:193 #10 0xb69e8516 in llint_function_for_call_arity_check () from /home/rgabor/WebKit/WebKitBuild/Debug/lib/libjavascriptcore_efl.so.0 #11 0xb69ec2a2 in llint_op_call () from /home/rgabor/WebKit/WebKitBuild/Debug/lib/libjavascriptcore_efl.so.0 #12 0xb69ec2a2 in llint_op_call () from /home/rgabor/WebKit/WebKitBuild/Debug/lib/libjavascriptcore_efl.so.0
Created attachment 224751 [details] proposed patch
Comment on attachment 224751 [details] proposed patch r=me
Comment on attachment 224751 [details] proposed patch Clearing flags on attachment: 224751 Committed r164433: <http://trac.webkit.org/changeset/164433>
All reviewed patches have been landed. Closing bug.