[Bug 1840149] Re: gcc-7 internal compiler error: Segmentation fault

[Matthias Klose]

not seen anymore with GCC 8 and GCC 9 in focal.

** Changed in: gcc-7 (Ubuntu)
       Status: Confirmed => Fix Released

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Title:
  gcc-7 internal compiler error: Segmentation fault

Status in gcc-7 package in Ubuntu:
  Fix Released

Bug description:
  When I'm trying to compile c++ code, I'm receiving this error:
  /usr/include/c++/7/bits/stl_tree.h: In function ‘std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_emplace_hint_unique(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::const_iterator, _Args&& ...) [with _Args = {const std::piecewise_construct_t&, std::tuple<const int&>, std::tuple<>}; _Key = int; _Val = std::pair<const int, int>; _KeyOfValue = std::_Select1st<std::pair<const int, int> >; _Compare = std::less<int>; _Alloc = std::allocator<std::pair<const int, int> >]’:
  /usr/include/c++/7/bits/stl_tree.h:2415:7: internal compiler error: Segmentation fault
         }
         ^
  Please submit a full bug report,
  with preprocessed source if appropriate.
  See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.

  
  Compilation flags: 
  g++  -g -Wextra  -O3 -pthread -I. -fPIC -std=c++11 -march=armv8-a+fp+simd -mtune=thunderx -save-temps   -c -o OText_main.o OText_main.cpp

  GCC version:
  Using built-in specs.
  COLLECT_GCC=gcc
  COLLECT_LTO_WRAPPER=/usr/lib/gcc/aarch64-linux-gnu/7/lto-wrapper
  Target: aarch64-linux-gnu
  Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 7.4.0-1ubuntu1~18.04.1' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-7 --program-prefix=aarch64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-libquadmath --disable-libquadmath-support --enable-plugin --enable-default-pie --with-system-zlib --enable-multiarch --enable-fix-cortex-a53-843419 --disable-werror --enable-checking=release --build=aarch64-linux-gnu --host=aarch64-linux-gnu --target=aarch64-linux-gnu
  Thread model: posix
  gcc version 7.4.0 (Ubuntu/Linaro 7.4.0-1ubuntu1~18.04.1)

  CPU: Cortex-A72 (aarch64)

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