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From: "hubicka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/57208] Latest chromium compilation fails with enabled LTO Date: Sat, 22 Jun 2013 21:43:00 -0000 [thread overview] Message-ID: <bug-57208-4-XVuRiN4DWE@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-57208-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57208 --- Comment #23 from Jan Hubicka <hubicka at gcc dot gnu.org> --- It seems late optimizers translate cloning Bind to _ZN4base4BindIMN3net12_GLOBAL__N_113DnsTCPAttemptEFviENS_8internal17UnretainedWrapperIS3_EEEENS_8CallbackINS6_9BindStateINS6_13FunctorTraitsIT_E12RunnableTypeENSD_7RunTypeEFvNS6_19CallbackParamTraitsIT0_E11StorageTypeEEE14UnboundRunTypeEEESC_RKSH_.constprop.12480 Bind (struct { void DnsTCPAttempt::<T2bc0a> (struct DnsTCPAttempt *, int) * __pfn; long int __delta; } functor, const struct UnretainedWrapper & p1) { void DnsTCPAttempt::<T2bc0a> (struct DnsTCPAttempt *, int) * method$__pfn; long int method$__delta; <bb 2>: method$__pfn_10 = MEM[(const struct &)&functor]; method$__delta_11 = MEM[(const struct &)&functor + 8]; _5 = operator new (40); _12 = &MEM[(struct RefCountedThreadSafe *)_5 + 8B].D.4332; __base_ctor (_12); MEM[(struct BindStateBase *)_5]._vptr.BindStateBase = &MEM[(void *)&_ZTVN4base8internal13BindStateBaseE + 16B]; MEM[(struct BindState *)_5].D.961227._vptr.BindStateBase = &MEM[(void *)&_ZTVN4base8internal9BindStateINS0_15RunnableAdapterIMN3net12_GLOBAL__N_113DnsTCPAttemptEFviEEEFvPS5_iEFvNS0_17UnretainedWrapperIS5_EEEEE + 16B]; MEM[(struct BindState *)_5 + 16B] = method$__pfn_10; MEM[(struct BindState *)_5 + 24B] = method$__delta_11; MEM[(struct BindState *)_5].p1_ = *p1_6(D); _13 = &_8(D)->D.42504; __base_ctor (_13, _5); _8(D)->D.42504.polymorphic_invoke_ = Run; return _8(D); } into .globl _ZN4base4BindIMN3net12_GLOBAL__N_113DnsTCPAttemptEFviENS_8internal17UnretainedWrapperIS3_EEEENS_8CallbackINS6_9BindStateINS6_13FunctorTraitsIT_E12RunnableTypeENSD_7RunType .hidden _ZN4base4BindIMN3net12_GLOBAL__N_113DnsTCPAttemptEFviENS_8internal17UnretainedWrapperIS3_EEEENS_8CallbackINS6_9BindStateINS6_13FunctorTraitsIT_E12RunnableTypeENSD_7RunType .type _ZN4base4BindIMN3net12_GLOBAL__N_113DnsTCPAttemptEFviENS_8internal17UnretainedWrapperIS3_EEEENS_8CallbackINS6_9BindStateINS6_13FunctorTraitsIT_E12RunnableTypeENSD_7RunType _ZN4base4BindIMN3net12_GLOBAL__N_113DnsTCPAttemptEFviENS_8internal17UnretainedWrapperIS3_EEEENS_8CallbackINS6_9BindStateINS6_13FunctorTraitsIT_E12RunnableTypeENSD_7RunTypeEFvNS6_19Callbac .LFB10639: .cfi_startproc pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset 6, -16 movq %rcx, %rbp pushq %rbx .cfi_def_cfa_offset 24 .cfi_offset 3, -24 movq %rdi, %rbx movl $40, %edi subq $8, %rsp .cfi_def_cfa_offset 32 call _Znwm@PLT movl $0, 8(%rax) movq %rax, %rsi leaq 16+_ZTVN4base8internal9BindStateINS0_15RunnableAdapterIMN3net12_GLOBAL__N_113DnsTCPAttemptEFviEEEFvPS5_iEFvNS0_17UnretainedWrapperIS5_EEEEE.lto_priv.73096(%rip), %rax movq $0, 24(%rsi) movq %rbx, %rdi movq %rax, (%rsi) leaq _ZN3net12_GLOBAL__N_113DnsTCPAttempt12OnIOCompleteEi(%rip), %rax movq %rax, 16(%rsi) movq 0(%rbp), %rax movq %rax, 32(%rsi) call _ZN4base8internal12CallbackBaseC2EPNS0_13BindStateBaseE leaq _ZN4base8internal7InvokerILi1ENS0_9BindStateINS0_15RunnableAdapterIMN3net12_GLOBAL__N_113DnsTCPAttemptEFviEEEFvPS6_iEFvNS0_17UnretainedWrapperIS6_EEEEESB_E3RunEPNS0_13Bind movq %rax, 8(%rbx) addq $8, %rsp .cfi_def_cfa_offset 24 movq %rbx, %rax popq %rbx .cfi_def_cfa_offset 16 popq %rbp .cfi_def_cfa_offset 8 ret .cfi_endproc .LFE10639: So someone folds MEM[(struct BindStateBase *)_5]._vptr.BindStateBase = &MEM[(void *)&_ZTVN4base8internal13BindStateBaseE + 16B]; MEM[(struct BindState *)_5].D.961227._vptr.BindStateBase = &MEM[(void *)&_ZTVN4base8internal9BindStateINS0_15RunnableAdapterIMN3net12_GLOBAL__N_113DnsTCPAttemptEFviEEEFvPS5_iEFvNS0_17UnretainedWrapperIS5_EEEEE + 16B]; MEM[(struct BindState *)_5 + 16B] = method$__pfn_10; MEM[(struct BindState *)_5 + 24B] = method$__delta_11; MEM[(struct BindState *)_5].p1_ = *p1_6(D); into reference to the symbol that is in other ltrans and not seen by partitioning...
next prev parent reply other threads:[~2013-06-22 21:43 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-05-08 12:30 [Bug c++/57208] New: Latest chromium compilation fails with enabled LTO [4.8.1/4.9.0] marxin.liska at gmail dot com 2013-05-08 12:32 ` [Bug c++/57208] " marxin.liska at gmail dot com 2013-06-03 14:50 ` [Bug c++/57208] Latest chromium compilation fails with enabled LTO marxin.liska at gmail dot com 2013-06-03 15:17 ` marxin.liska at gmail dot com 2013-06-05 12:12 ` izamyatin at gmail dot com 2013-06-05 16:26 ` marxin.liska at gmail dot com 2013-06-17 21:46 ` marxin.liska at gmail dot com 2013-06-19 17:03 ` hubicka at gcc dot gnu.org 2013-06-19 17:51 ` ian at airs dot com 2013-06-19 18:04 ` ian at airs dot com 2013-06-19 18:24 ` hubicka at gcc dot gnu.org 2013-06-19 18:27 ` jakub at gcc dot gnu.org 2013-06-19 23:14 ` hubicka at gcc dot gnu.org 2013-06-20 6:26 ` jakub at gcc dot gnu.org 2013-06-20 20:31 ` marxin.liska at gmail dot com 2013-06-21 12:55 ` hubicka at gcc dot gnu.org 2013-06-21 13:01 ` hubicka at gcc dot gnu.org 2013-06-21 13:07 ` marxin.liska at gmail dot com 2013-06-22 21:19 ` marxin.liska at gmail dot com 2013-06-22 21:43 ` hubicka at gcc dot gnu.org [this message] 2013-06-22 22:05 ` hubicka at ucw dot cz 2013-06-23 12:20 ` hubicka at ucw dot cz 2013-06-24 10:24 ` jamborm at gcc dot gnu.org 2013-06-24 16:10 ` jamborm at gcc dot gnu.org 2013-06-24 22:25 ` marxin.liska at gmail dot com 2013-06-25 11:02 ` jamborm at gcc dot gnu.org 2013-07-02 16:42 ` jamborm at gcc dot gnu.org 2013-07-02 16:43 ` jamborm at gcc dot gnu.org 2013-07-17 14:14 ` marxin.liska at gmail dot com 2022-01-01 22:58 ` pinskia at gcc dot gnu.org
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