Jeremy Huddleston Sequoia via llvm-dev
2016-Dec-24 09:47 UTC
[llvm-dev] 3.9 regression with legacy static assert macros (bad type resolution)
> On Dec 23, 2016, at 11:17, Frédéric Riss <friss at apple.com> wrote: > > >> On Dec 22, 2016, at 9:36 PM, Jeremy Huddleston Sequoia via llvm-dev <llvm-dev at lists.llvm.org> wrote: >> >> 3.9.0 and current release_39 (r90413) have issues with older static assertion macros like this one from an older libunwind: >> >> #define COMPILE_TIME_ASSERT( expr ) \ >> extern int compile_time_assert_failed[ ( expr ) ? 1 : -1 ] __attribute__( ( unused ) ); >> >> I notice that the issue is fixed on current trunk. Does anyone know what revision introduced the fix? Can we get it cherry-picked into release_39? I know 3.9.1 final was just tagged, but having it on the branch will make it easier for distributions to find since this is a fairly common pattern, and of course it would be good to fix this regression in 3.9.2 if there is one > > I think this was fixed in r280330 (in clang).Thanks. That indeed looks like it. I'll pull that into our patchset, but could we get that cherry-picked onto release_39 to benefit others as well? Thanks, Jeremy> > Fred > >> >> --Jeremy >> >> >> --- >> >> ~ $ clang++-mp-3.9 -Wno-invalid-offsetof -c macho_relocatable_file.cpp >> In file included from src/ld/parsers/macho_relocatable_file.cpp:37: >> src/ld/parsers/libunwind/DwarfInstructions.hpp:920:13: error: redeclaration of 'compile_time_assert_failed' with a different type: 'int [((int)CFI_Parser<A>::kMaxRegisterNumber > (int)DW_X86_64_RET_ADDR) ? 1 : -1]' vs >> 'int [1]' >> extern int compile_time_assert_failed[ ( (int)CFI_Parser<A>::kMaxRegisterNumber > (int)DW_X86_64_RET_ADDR ) ? 1 : -1 ] __attribute__( ( unused ) );; >> ^ >> src/ld/parsers/libunwind/Registers.hpp:548:13: note: previous declaration is here >> extern int compile_time_assert_failed[ ( sizeof(Registers_ppc) < sizeof(unw_context_t) ) ? 1 : -1 ] __attribute__( ( unused ) );; >> ^ >> In file included from src/ld/parsers/macho_relocatable_file.cpp:37: >> src/ld/parsers/libunwind/DwarfInstructions.hpp:1311:13: error: redeclaration of 'compile_time_assert_failed' with a different type: 'int [((int)CFI_Parser<A>::kMaxRegisterNumber > (int)DW_X86_RET_ADDR) ? 1 : -1]' vs >> 'int [1]' >> extern int compile_time_assert_failed[ ( (int)CFI_Parser<A>::kMaxRegisterNumber > (int)DW_X86_RET_ADDR ) ? 1 : -1 ] __attribute__( ( unused ) );; >> ^ >> src/ld/parsers/libunwind/Registers.hpp:548:13: note: previous declaration is here >> extern int compile_time_assert_failed[ ( sizeof(Registers_ppc) < sizeof(unw_context_t) ) ? 1 : -1 ] __attribute__( ( unused ) );; >> ^ >> In file included from src/ld/parsers/macho_relocatable_file.cpp:37: >> src/ld/parsers/libunwind/DwarfInstructions.hpp:1677:13: error: redeclaration of 'compile_time_assert_failed' with a different type: 'int [((int)CFI_Parser<A>::kMaxRegisterNumber > (int)UNW_PPC_SPEFSCR) ? 1 : -1]' vs >> 'int [1]' >> extern int compile_time_assert_failed[ ( (int)CFI_Parser<A>::kMaxRegisterNumber > (int)UNW_PPC_SPEFSCR ) ? 1 : -1 ] __attribute__( ( unused ) );; >> ^ >> src/ld/parsers/libunwind/Registers.hpp:548:13: note: previous declaration is here >> extern int compile_time_assert_failed[ ( sizeof(Registers_ppc) < sizeof(unw_context_t) ) ? 1 : -1 ] __attribute__( ( unused ) );; >> ^ >> 3 errors generated. >> >> ~ $ clang++-mp-3.8 -Wno-invalid-offsetof -c macho_relocatable_file.cpp >> >> ~ $ clang++-mp-devel -Wno-invalid-offsetof -c macho_relocatable_file.cpp >> >> _______________________________________________ >> LLVM Developers mailing list >> llvm-dev at lists.llvm.org >> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev >-------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 4465 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20161224/1dc1bc7b/attachment.bin>
Akira Hatanaka via llvm-dev
2016-Dec-27 17:55 UTC
[llvm-dev] 3.9 regression with legacy static assert macros (bad type resolution)
Can we still check patches into 3.9.1?> On Dec 24, 2016, at 1:47 AM, Jeremy Huddleston Sequoia <jeremyhu at apple.com> wrote: > > >> On Dec 23, 2016, at 11:17, Frédéric Riss <friss at apple.com> wrote: >> >> >>> On Dec 22, 2016, at 9:36 PM, Jeremy Huddleston Sequoia via llvm-dev <llvm-dev at lists.llvm.org> wrote: >>> >>> 3.9.0 and current release_39 (r90413) have issues with older static assertion macros like this one from an older libunwind: >>> >>> #define COMPILE_TIME_ASSERT( expr ) \ >>> extern int compile_time_assert_failed[ ( expr ) ? 1 : -1 ] __attribute__( ( unused ) ); >>> >>> I notice that the issue is fixed on current trunk. Does anyone know what revision introduced the fix? Can we get it cherry-picked into release_39? I know 3.9.1 final was just tagged, but having it on the branch will make it easier for distributions to find since this is a fairly common pattern, and of course it would be good to fix this regression in 3.9.2 if there is one >> >> I think this was fixed in r280330 (in clang). > > Thanks. That indeed looks like it. I'll pull that into our patchset, but could we get that cherry-picked onto release_39 to benefit others as well? > > Thanks, > Jeremy > > >> >> Fred >> >>> >>> --Jeremy >>> >>> >>> --- >>> >>> ~ $ clang++-mp-3.9 -Wno-invalid-offsetof -c macho_relocatable_file.cpp >>> In file included from src/ld/parsers/macho_relocatable_file.cpp:37: >>> src/ld/parsers/libunwind/DwarfInstructions.hpp:920:13: error: redeclaration of 'compile_time_assert_failed' with a different type: 'int [((int)CFI_Parser<A>::kMaxRegisterNumber > (int)DW_X86_64_RET_ADDR) ? 1 : -1]' vs >>> 'int [1]' >>> extern int compile_time_assert_failed[ ( (int)CFI_Parser<A>::kMaxRegisterNumber > (int)DW_X86_64_RET_ADDR ) ? 1 : -1 ] __attribute__( ( unused ) );; >>> ^ >>> src/ld/parsers/libunwind/Registers.hpp:548:13: note: previous declaration is here >>> extern int compile_time_assert_failed[ ( sizeof(Registers_ppc) < sizeof(unw_context_t) ) ? 1 : -1 ] __attribute__( ( unused ) );; >>> ^ >>> In file included from src/ld/parsers/macho_relocatable_file.cpp:37: >>> src/ld/parsers/libunwind/DwarfInstructions.hpp:1311:13: error: redeclaration of 'compile_time_assert_failed' with a different type: 'int [((int)CFI_Parser<A>::kMaxRegisterNumber > (int)DW_X86_RET_ADDR) ? 1 : -1]' vs >>> 'int [1]' >>> extern int compile_time_assert_failed[ ( (int)CFI_Parser<A>::kMaxRegisterNumber > (int)DW_X86_RET_ADDR ) ? 1 : -1 ] __attribute__( ( unused ) );; >>> ^ >>> src/ld/parsers/libunwind/Registers.hpp:548:13: note: previous declaration is here >>> extern int compile_time_assert_failed[ ( sizeof(Registers_ppc) < sizeof(unw_context_t) ) ? 1 : -1 ] __attribute__( ( unused ) );; >>> ^ >>> In file included from src/ld/parsers/macho_relocatable_file.cpp:37: >>> src/ld/parsers/libunwind/DwarfInstructions.hpp:1677:13: error: redeclaration of 'compile_time_assert_failed' with a different type: 'int [((int)CFI_Parser<A>::kMaxRegisterNumber > (int)UNW_PPC_SPEFSCR) ? 1 : -1]' vs >>> 'int [1]' >>> extern int compile_time_assert_failed[ ( (int)CFI_Parser<A>::kMaxRegisterNumber > (int)UNW_PPC_SPEFSCR ) ? 1 : -1 ] __attribute__( ( unused ) );; >>> ^ >>> src/ld/parsers/libunwind/Registers.hpp:548:13: note: previous declaration is here >>> extern int compile_time_assert_failed[ ( sizeof(Registers_ppc) < sizeof(unw_context_t) ) ? 1 : -1 ] __attribute__( ( unused ) );; >>> ^ >>> 3 errors generated. >>> >>> ~ $ clang++-mp-3.8 -Wno-invalid-offsetof -c macho_relocatable_file.cpp >>> >>> ~ $ clang++-mp-devel -Wno-invalid-offsetof -c macho_relocatable_file.cpp >>> >>> _______________________________________________ >>> LLVM Developers mailing list >>> llvm-dev at lists.llvm.org >>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev >> >
Mehdi Amini via llvm-dev
2016-Dec-27 18:30 UTC
[llvm-dev] 3.9 regression with legacy static assert macros (bad type resolution)
It already shipped AFAIK: http://releases.llvm.org/download.html — Mehdi> On Dec 27, 2016, at 9:55 AM, Akira Hatanaka via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > Can we still check patches into 3.9.1? > >> On Dec 24, 2016, at 1:47 AM, Jeremy Huddleston Sequoia <jeremyhu at apple.com> wrote: >> >> >>> On Dec 23, 2016, at 11:17, Frédéric Riss <friss at apple.com> wrote: >>> >>> >>>> On Dec 22, 2016, at 9:36 PM, Jeremy Huddleston Sequoia via llvm-dev <llvm-dev at lists.llvm.org> wrote: >>>> >>>> 3.9.0 and current release_39 (r90413) have issues with older static assertion macros like this one from an older libunwind: >>>> >>>> #define COMPILE_TIME_ASSERT( expr ) \ >>>> extern int compile_time_assert_failed[ ( expr ) ? 1 : -1 ] __attribute__( ( unused ) ); >>>> >>>> I notice that the issue is fixed on current trunk. Does anyone know what revision introduced the fix? Can we get it cherry-picked into release_39? I know 3.9.1 final was just tagged, but having it on the branch will make it easier for distributions to find since this is a fairly common pattern, and of course it would be good to fix this regression in 3.9.2 if there is one >>> >>> I think this was fixed in r280330 (in clang). >> >> Thanks. That indeed looks like it. I'll pull that into our patchset, but could we get that cherry-picked onto release_39 to benefit others as well? >> >> Thanks, >> Jeremy >> >> >>> >>> Fred >>> >>>> >>>> --Jeremy >>>> >>>> >>>> --- >>>> >>>> ~ $ clang++-mp-3.9 -Wno-invalid-offsetof -c macho_relocatable_file.cpp >>>> In file included from src/ld/parsers/macho_relocatable_file.cpp:37: >>>> src/ld/parsers/libunwind/DwarfInstructions.hpp:920:13: error: redeclaration of 'compile_time_assert_failed' with a different type: 'int [((int)CFI_Parser<A>::kMaxRegisterNumber > (int)DW_X86_64_RET_ADDR) ? 1 : -1]' vs >>>> 'int [1]' >>>> extern int compile_time_assert_failed[ ( (int)CFI_Parser<A>::kMaxRegisterNumber > (int)DW_X86_64_RET_ADDR ) ? 1 : -1 ] __attribute__( ( unused ) );; >>>> ^ >>>> src/ld/parsers/libunwind/Registers.hpp:548:13: note: previous declaration is here >>>> extern int compile_time_assert_failed[ ( sizeof(Registers_ppc) < sizeof(unw_context_t) ) ? 1 : -1 ] __attribute__( ( unused ) );; >>>> ^ >>>> In file included from src/ld/parsers/macho_relocatable_file.cpp:37: >>>> src/ld/parsers/libunwind/DwarfInstructions.hpp:1311:13: error: redeclaration of 'compile_time_assert_failed' with a different type: 'int [((int)CFI_Parser<A>::kMaxRegisterNumber > (int)DW_X86_RET_ADDR) ? 1 : -1]' vs >>>> 'int [1]' >>>> extern int compile_time_assert_failed[ ( (int)CFI_Parser<A>::kMaxRegisterNumber > (int)DW_X86_RET_ADDR ) ? 1 : -1 ] __attribute__( ( unused ) );; >>>> ^ >>>> src/ld/parsers/libunwind/Registers.hpp:548:13: note: previous declaration is here >>>> extern int compile_time_assert_failed[ ( sizeof(Registers_ppc) < sizeof(unw_context_t) ) ? 1 : -1 ] __attribute__( ( unused ) );; >>>> ^ >>>> In file included from src/ld/parsers/macho_relocatable_file.cpp:37: >>>> src/ld/parsers/libunwind/DwarfInstructions.hpp:1677:13: error: redeclaration of 'compile_time_assert_failed' with a different type: 'int [((int)CFI_Parser<A>::kMaxRegisterNumber > (int)UNW_PPC_SPEFSCR) ? 1 : -1]' vs >>>> 'int [1]' >>>> extern int compile_time_assert_failed[ ( (int)CFI_Parser<A>::kMaxRegisterNumber > (int)UNW_PPC_SPEFSCR ) ? 1 : -1 ] __attribute__( ( unused ) );; >>>> ^ >>>> src/ld/parsers/libunwind/Registers.hpp:548:13: note: previous declaration is here >>>> extern int compile_time_assert_failed[ ( sizeof(Registers_ppc) < sizeof(unw_context_t) ) ? 1 : -1 ] __attribute__( ( unused ) );; >>>> ^ >>>> 3 errors generated. >>>> >>>> ~ $ clang++-mp-3.8 -Wno-invalid-offsetof -c macho_relocatable_file.cpp >>>> >>>> ~ $ clang++-mp-devel -Wno-invalid-offsetof -c macho_relocatable_file.cpp >>>> >>>> _______________________________________________ >>>> LLVM Developers mailing list >>>> llvm-dev at lists.llvm.org >>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev >>> >> > > _______________________________________________ > LLVM Developers mailing list > llvm-dev at lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
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