https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103790
Bug ID: 103790
Summary: internal compiler error: Segmentation fault when
playing with coroutine
Product: gcc
Version: 11.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: jack.cui2 at foxmail dot com
Target Milestone: ---
Created attachment 52038
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52038&action=edit
preprocessed file that trigger the issue
Using built-in specs.
COLLECT_GCC=g++-11
OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu
11.1.0-1ubuntu1~18.04.1' --with-bugurl=file:///usr/share/doc/gcc-11/README.Bugs
--enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --prefix=/usr
--with-gcc-major-version-only --program-suffix=-11
--program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug
--enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new
--enable-gnu-unique-object --disable-vtable-verify --enable-plugin
--enable-default-pie --with-system-zlib --enable-libphobos-checking=release
--with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch
--disable-werror --disable-cet --with-arch-32=i686 --with-abi=m64
--with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic
--enable-offload-targets=nvptx-none=/build/gcc-11-YRKbe7/gcc-11-11.1.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-YRKbe7/gcc-11-11.1.0/debian/tmp-gcn/usr
--without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu
--host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.1.0 (Ubuntu 11.1.0-1ubuntu1~18.04.1)
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++20' '-fcoroutines' '-c'
'-shared-libgcc' '-mtune=generic' '-march=x86-64'
/usr/lib/gcc/x86_64-linux-gnu/11/cc1plus -E -quiet -v -imultiarch
x86_64-linux-gnu -D_GNU_SOURCE test_co_await.cpp -mtune=generic -march=x86-64
-std=c++20 -fcoroutines -fpch-preprocess -fasynchronous-unwind-tables
-fstack-protector-strong -Wformat -Wformat-security -o test_co_await.ii
ignoring duplicate directory "/usr/include/x86_64-linux-gnu/c++/11"
ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-gnu/11/include-fixed"
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-linux-gnu/11/../../../../x86_64-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/include/c++/11
/usr/include/x86_64-linux-gnu/c++/11
/usr/include/c++/11/backward
/usr/lib/gcc/x86_64-linux-gnu/11/include
/usr/local/include
/usr/include/x86_64-linux-gnu
/usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++20' '-fcoroutines' '-c'
'-shared-libgcc' '-mtune=generic' '-march=x86-64'
/usr/lib/gcc/x86_64-linux-gnu/11/cc1plus -fpreprocessed test_co_await.ii
-quiet -dumpbase test_co_await.cpp -dumpbase-ext .cpp -mtune=generic
-march=x86-64 -std=c++20 -version -fcoroutines -fasynchronous-unwind-tables
-fstack-protector-strong -Wformat -Wformat-security -o test_co_await.s
GNU C++20 (Ubuntu 11.1.0-1ubuntu1~18.04.1) version 11.1.0 (x86_64-linux-gnu)
compiled by GNU C version 11.1.0, GMP version 6.1.2, MPFR version
4.0.1, MPC version 1.1.0, isl version isl-0.19-GMP
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C++20 (Ubuntu 11.1.0-1ubuntu1~18.04.1) version 11.1.0 (x86_64-linux-gnu)
compiled by GNU C version 11.1.0, GMP version 6.1.2, MPFR version
4.0.1, MPC version 1.1.0, isl version isl-0.19-GMP
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: fa8709337e38341bd283d8a4fb935104
test_co_await.cpp: In function ‘task foo()’:
test_co_await.cpp:48:18: internal compiler error: Segmentation fault
48 | co_await bar{};
| ^
0x1702697 internal_error(char const*, ...)
???:0
0x68de56 finish_co_await_expr(unsigned int, tree_node*)
???:0
0x7888ee c_parse_file()
???:0
0x85988d c_common_parse_file()
???:0
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-11/README.Bugs> for instructions.
