https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103651
Bug ID: 103651
Summary: Using "#Line 0" in a function with "-coverage" crashes
the compiler
Product: gcc
Version: 11.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: andre.schackier at gmail dot com
Target Milestone: ---
Running
g++ -coverage -v crash.cpp
crash-cpp:
int main() {
#line 0
}
gives the following output and crashes the compiler on my machine:
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /build/gcc/src/gcc/configure --prefix=/usr --libdir=/usr/lib
--libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info
--with-bugurl=https://bugs.archlinux.org/
--enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++,d --with-isl
--with-linker-hash-style=gnu --with-system-zlib --enable-__cxa_atexit
--enable-cet=auto --enable-checking=release --enable-clocale=gnu
--enable-default-pie --enable-default-ssp --enable-gnu-indirect-function
--enable-gnu-unique-object --enable-install-libiberty --enable-linker-build-id
--enable-lto --enable-multilib --enable-plugin --enable-shared
--enable-threads=posix --disable-libssp --disable-libstdcxx-pch
--disable-libunwind-exceptions --disable-werror
gdc_include_dir=/usr/include/dlang/gdc
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.1.0 (GCC)
COLLECT_GCC_OPTIONS='-coverage' '-v' '-shared-libgcc' '-mtune=generic'
'-march=x86-64' '-dumpdir' 'a-'
/usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/cc1plus -quiet -v -D_GNU_SOURCE
crash.cpp -quiet -dumpdir a- -dumpbase crash.cpp -dumpbase-ext .cpp
-mtune=generic -march=x86-64 -version -fprofile-arcs -ftest-coverage -o
/tmp/ccRjHpR0.s
GNU C++17 (GCC) version 11.1.0 (x86_64-pc-linux-gnu)
compiled by GNU C version 11.1.0, GMP version 6.2.1, MPFR version
4.1.0, MPC version 1.2.1, isl version isl-0.24-GMP
warning: MPFR header version 4.1.0 differs from library version 4.1.0-p13.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../x86_64-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../include/c++/11.1.0
/usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../include/c++/11.1.0/x86_64-pc-linux-gnu
/usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../include/c++/11.1.0/backward
/usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/include
/usr/local/include
/usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/include-fixed
/usr/include
End of search list.
GNU C++17 (GCC) version 11.1.0 (x86_64-pc-linux-gnu)
compiled by GNU C version 11.1.0, GMP version 6.2.1, MPFR version
4.1.0, MPC version 1.2.1, isl version isl-0.24-GMP
warning: MPFR header version 4.1.0 differs from library version 4.1.0-p13.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 45eb9a71cc15bfdc579557bea4b77e51
during IPA pass: profile
crash.cpp: In function 'int main()':
crash.cpp: internal compiler error: in coverage_begin_function, at
coverage.c:662
0x1797368 internal_error(char const*, ...)
???:0
0x67f8f9 fancy_abort(char const*, int, char const*)
???:0
0xc854ca branch_prob(bool)
???:0
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://bugs.archlinux.org/> for instructions.
godbolt link: https://godbolt.org/z/ea18Tz9c6
This seems to affect gcc versions 11, 10 and 9
