[Bug 1887557] Re: GCC 10 is crashing with an internal compiler error when compiling Mesa

[Matthias Klose]

fixed in 10.2.0

** Changed in: gcc-10 (Ubuntu)
       Status: New => Fix Released

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Title:
  GCC 10 is crashing with an internal compiler error when compiling Mesa

Status in gcc:
  Fix Released
Status in gcc-10 package in Ubuntu:
  Fix Released

Bug description:
  When trying to compile Mesa git (6493d29f2117d63d7949fc3888c2c5d901eaeb95) with GCC 10 (gcc version 10.0.1 20200411 (experimental) [master revision bb87d5cc77d:75961caccb7:f883c46b4877f637e0fa5025b4d6b5c9040ec566] (Ubuntu 10-20200411-0ubuntu1) 
  ), an internal compiler error is happening:

  ninja: Entering directory `build'
  [2/5] Compiling C object 'src/gallium/drivers/softpipe/48c2f4b@@softpipe at sta/sp_tex_sample.c.o'.
  FAILED: src/gallium/drivers/softpipe/48c2f4b@@softpipe at sta/sp_tex_sample.c.o 
  gcc-10 -Isrc/gallium/drivers/softpipe/48c2f4b@@softpipe at sta -Isrc/gallium/drivers/softpipe -I../src/gallium/drivers/softpipe -Isrc/gallium/auxiliary -I../src/gallium/auxiliary -I../src/gallium/include -Iinclude -I../include -Isrc -I../src -fvisibility=hidden -fdiagnostics-color=always -DNDEBUG -pipe -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -std=c99 -O3 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS '-DPACKAGE_VERSION="20.2.0-devel"' '-DPACKAGE_BUGREPORT="https://gitlab.freedesktop.org/mesa/mesa/-/issues"' -DUSE_ELF_TLS -DENABLE_ST_OMX_BELLAGIO=0 -DENABLE_ST_OMX_TIZONIA=0 -DHAVE_X11_PLATFORM -DGLX_INDIRECT_RENDERING -DGLX_DIRECT_RENDERING -DGLX_USE_DRM -DHAVE_DRM_PLATFORM -DENABLE_SHADER_CACHE -DHAVE___BUILTIN_BSWAP32 -DHAVE___BUILTIN_BSWAP64 -DHAVE___BUILTIN_CLZ -DHAVE___BUILTIN_CLZLL -DHAVE___BUILTIN_CTZ -DHAVE___BUILTIN_EXPECT -DHAVE___BUILTIN_FFS -DHAVE___BUILTIN_FFSLL -DHAVE___BUILTIN_POPCOUNT -DHAVE___BUILTIN_POPCOUNTLL -DHAVE___BUILTIN_UNREACHABLE -DHAVE_FUNC_ATTRIBUTE_CONST -DHAVE_FUNC_ATTRIBUTE_FLATTEN -DHAVE_FUNC_ATTRIBUTE_MALLOC -DHAVE_FUNC_ATTRIBUTE_PURE -DHAVE_FUNC_ATTRIBUTE_UNUSED -DHAVE_FUNC_ATTRIBUTE_WARN_UNUSED_RESULT -DHAVE_FUNC_ATTRIBUTE_WEAK -DHAVE_FUNC_ATTRIBUTE_FORMAT -DHAVE_FUNC_ATTRIBUTE_PACKED -DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL -DHAVE_FUNC_ATTRIBUTE_ALIAS -DHAVE_FUNC_ATTRIBUTE_NORETURN -DHAVE_FUNC_ATTRIBUTE_VISIBILITY -DHAVE_UINT128 -D_GNU_SOURCE -DUSE_SSE41 -DUSE_GCC_ATOMIC_BUILTINS -DUSE_X86_64_ASM -DMAJOR_IN_SYSMACROS -DHAVE_LINUX_FUTEX_H -DHAVE_ENDIAN_H -DHAVE_DLFCN_H -DHAVE_EXECINFO_H -DHAVE_SYS_SHM_H -DHAVE_CET_H -DHAVE_STRTOF -DHAVE_MKOSTEMP -DHAVE_TIMESPEC_GET -DHAVE_MEMFD_CREATE -DHAVE_RANDOM_R -DHAVE_FLOCK -DHAVE_STRTOK_R -DHAVE_GETRANDOM -DHAVE_PROGRAM_INVOCATION_NAME -DHAVE_POSIX_MEMALIGN -DHAVE_DIRENT_D_TYPE -DHAVE_STRTOD_L -DHAVE_DLADDR -DHAVE_DL_ITERATE_PHDR -DHAVE_ZLIB -DHAVE_PTHREAD -DHAVE_PTHREAD_SETAFFINITY -DHAVE_LIBDRM -DHAVE_LIBUNWIND -DHAVE_DRI3 -DHAVE_DRI3_MODIFIERS -DHAVE_LIBSENSORS=1 -Werror=implicit-function-declaration -Werror=missing-prototypes -Werror=return-type -Werror=empty-body -Werror=incompatible-pointer-types -Werror=int-conversion -Wimplicit-fallthrough -Wno-missing-field-initializers -Wno-format-truncation -fno-math-errno -fno-trapping-math -fno-common -Werror=format -Wformat-security -fPIC -Werror=pointer-arith -Werror=vla -MD -MQ 'src/gallium/drivers/softpipe/48c2f4b@@softpipe at sta/sp_tex_sample.c.o' -MF 'src/gallium/drivers/softpipe/48c2f4b@@softpipe at sta/sp_tex_sample.c.o.d' -o 'src/gallium/drivers/softpipe/48c2f4b@@softpipe at sta/sp_tex_sample.c.o' -c ../src/gallium/drivers/softpipe/sp_tex_sample.c
  during IPA pass: fnsummary
  ../src/gallium/drivers/softpipe/sp_tex_sample.c: In function ‘sample_compare’:
  ../src/gallium/drivers/softpipe/sp_tex_sample.c:3862:1: internal compiler error: Segmentation fault
   3862 | }
        | ^
  Please submit a full bug report,
  with preprocessed source if appropriate.
  See <file:///usr/share/doc/gcc-10/README.Bugs> for instructions.
  ninja: build stopped: subcommand failed.

  
  The bug was recently fixed on GCC 10 and is present on Ubuntu's GCC 10. The GCC bug report is: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96130

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