https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101736
Bug ID: 101736
Summary: Option -fno-reorder-functions breaks exceptions in gcc
8.2.1
Product: gcc
Version: 8.4.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: rsundahl at icloud dot com
Target Milestone: ---
Created attachment 51245
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51245&action=edit
This is the source file
bash-4.4# g++ -v -save-temps -O2 -fno-reorder-functions
t-do-exceptions-work-at-all-with-this-compiler.cc && ./a.out
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/8/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-redhat-linux
Configured with: ../configure --enable-bootstrap
--enable-languages=c,c++,fortran,lto --prefix=/usr --mandir=/usr/share/man
--infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla
--enable-shared --enable-threads=posix --enable-checking=release
--enable-multilib --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-gnu-unique-object
--enable-linker-build-id --with-gcc-major-version-only
--with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl
--disable-libmpx --enable-offload-targets=nvptx-none --without-cuda-driver
--enable-gnu-indirect-function --enable-cet --with-tune=generic
--with-arch_32=x86-64 --build=x86_64-redhat-linux
Thread model: posix
gcc version 8.4.1 20200928 (Red Hat 8.4.1-1) (GCC)
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-O2' '-fno-reorder-functions'
'-shared-libgcc' '-mtune=generic' '-march=x86-64'
/usr/libexec/gcc/x86_64-redhat-linux/8/cc1plus -E -quiet -v -D_GNU_SOURCE
t-do-exceptions-work-at-all-with-this-compiler.cc -mtune=generic -march=x86-64
-fno-reorder-functions -O2 -fpch-preprocess -o
t-do-exceptions-work-at-all-with-this-compiler.ii
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-redhat-linux/8/include-fixed"
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-redhat-linux/8/../../../../x86_64-redhat-linux/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/lib/gcc/x86_64-redhat-linux/8/../../../../include/c++/8
/usr/lib/gcc/x86_64-redhat-linux/8/../../../../include/c++/8/x86_64-redhat-linux
/usr/lib/gcc/x86_64-redhat-linux/8/../../../../include/c++/8/backward
/usr/lib/gcc/x86_64-redhat-linux/8/include
/usr/local/include
/usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-O2' '-fno-reorder-functions'
'-shared-libgcc' '-mtune=generic' '-march=x86-64'
/usr/libexec/gcc/x86_64-redhat-linux/8/cc1plus -fpreprocessed
t-do-exceptions-work-at-all-with-this-compiler.ii -quiet -dumpbase
t-do-exceptions-work-at-all-with-this-compiler.cc -mtune=generic -march=x86-64
-auxbase t-do-exceptions-work-at-all-with-this-compiler -O2 -version
-fno-reorder-functions -o t-do-exceptions-work-at-all-with-this-compiler.s
GNU C++14 (GCC) version 8.4.1 20200928 (Red Hat 8.4.1-1) (x86_64-redhat-linux)
compiled by GNU C version 8.4.1 20200928 (Red Hat 8.4.1-1), GMP version
6.1.2, MPFR version 3.1.6-p2, MPC version 1.0.2, isl version isl-0.16.1-GMP
warning: MPC header version 1.0.2 differs from library version 1.1.0.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C++14 (GCC) version 8.4.1 20200928 (Red Hat 8.4.1-1) (x86_64-redhat-linux)
compiled by GNU C version 8.4.1 20200928 (Red Hat 8.4.1-1), GMP version
6.1.2, MPFR version 3.1.6-p2, MPC version 1.0.2, isl version isl-0.16.1-GMP
warning: MPC header version 1.0.2 differs from library version 1.1.0.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 38c2e671f40afe50da0df14ae856e910
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-O2' '-fno-reorder-functions'
'-shared-libgcc' '-mtune=generic' '-march=x86-64'
as -v --64 -o t-do-exceptions-work-at-all-with-this-compiler.o
t-do-exceptions-work-at-all-with-this-compiler.s
GNU assembler version 2.30 (x86_64-redhat-linux) using BFD version version
2.30-93.el8
COMPILER_PATH=/usr/libexec/gcc/x86_64-redhat-linux/8/:/usr/libexec/gcc/x86_64-redhat-linux/8/:/usr/libexec/gcc/x86_64-redhat-linux/:/usr/lib/gcc/x86_64-redhat-linux/8/:/usr/lib/gcc/x86_64-redhat-linux/
LIBRARY_PATH=/usr/lib/gcc/x86_64-redhat-linux/8/:/usr/lib/gcc/x86_64-redhat-linux/8/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/usr/lib/gcc/x86_64-redhat-linux/8/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-O2' '-fno-reorder-functions'
'-shared-libgcc' '-mtune=generic' '-march=x86-64'
/usr/libexec/gcc/x86_64-redhat-linux/8/collect2 -plugin
/usr/libexec/gcc/x86_64-redhat-linux/8/liblto_plugin.so
-plugin-opt=/usr/libexec/gcc/x86_64-redhat-linux/8/lto-wrapper
-plugin-opt=-fresolution=t-do-exceptions-work-at-all-with-this-compiler.res
-plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc
-plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc_s
-plugin-opt=-pass-through=-lgcc --build-id --no-add-needed --eh-frame-hdr
--hash-style=gnu -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2
/usr/lib/gcc/x86_64-redhat-linux/8/../../../../lib64/crt1.o
/usr/lib/gcc/x86_64-redhat-linux/8/../../../../lib64/crti.o
/usr/lib/gcc/x86_64-redhat-linux/8/crtbegin.o
-L/usr/lib/gcc/x86_64-redhat-linux/8
-L/usr/lib/gcc/x86_64-redhat-linux/8/../../../../lib64 -L/lib/../lib64
-L/usr/lib/../lib64 -L/usr/lib/gcc/x86_64-redhat-linux/8/../../..
t-do-exceptions-work-at-all-with-this-compiler.o -lstdc++ -lm -lgcc_s -lgcc -lc
-lgcc_s -lgcc /usr/lib/gcc/x86_64-redhat-linux/8/crtend.o
/usr/lib/gcc/x86_64-redhat-linux/8/../../../../lib64/crtn.o
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-O2' '-fno-reorder-functions'
'-shared-libgcc' '-mtune=generic' '-march=x86-64'
terminate called after throwing an instance of 'std::invalid_argument'
what(): Test
Aborted
NOTE: Also confirmed with:
g++-8 (Ubuntu 8.4.0-1ubuntu1~18.04) 8.4.0
g++ (GCC) 8.2.1 20180905 (Red Hat 8.2.1-3)
