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From: "matt at godbolt dot org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/102067] SEGFAULT in varpool_node::get_constructor during
 lto1 when optimising or not using debug symbols
Date: Thu, 26 Aug 2021 13:31:54 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102067

--- Comment #13 from Matt Godbolt <matt at godbolt dot org> ---
Both attached. When they're built they're built with:

```
/home/mgodbolt/dev/wave/cmake-build-release/env/bin/x86_64-conda_cos6-linux=
-gnu-g++
-DSPDLOG_FMT_EXTERNAL -Igenerated -I../src -I../src/wave/common/../..
-Isrc/wave -I../src/wave/.. -isystem env/include -O3 -DNDEBUG -flto
-fno-fat-lto-objects   -include
/home/mgodbolt/dev/wave/cmake-build-release/conda_env.hpp -fconcepts -Wall
-Wextra -Werror -g -fPIC -fvisibility-inlines-hidden -march=3Dskylake
-Wconversion -Wsign-conversion -Wnon-virtual-dtor -Wold-style-cast -Wpedant=
ic
-Wuseless-cast -Wdouble-promotion -Wcast-align -Wduplicated-cond -Wlogical-=
op
-Wrestrict -Wnull-dereference -pedantic -std=3Dgnu++17 -MD -MT
src/wave/common/CMakeFiles/wave_common.dir/App.cpp.o -MF
src/wave/common/CMakeFiles/wave_common.dir/App.cpp.o.d -o
src/wave/common/CMakeFiles/wave_common.dir/App.cpp.o -c
../src/wave/common/App.cpp
```

The attachments were created by putting -E at the end of the line, changing=
 the
`-o` location, then gzipping the output.=