https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106187
--- Comment #18 from Mathieu Malaterre <malat at debian dot org> --- The complete line to generate the *.ii file is: ``` % /usr/bin/g++ -DHWY_STATIC_DEFINE -I/home/malat/highway -O2 -fstrict-aliasing -ggdb3 -fPIE -fvisibility=hidden -fvisibility-inlines-hidden -Wno-builtin-macro-redefined -D__DATE__=\"redacted\" -D__TIMESTAMP__=\"redacted\" -D__TIME__=\"redacted\" -fmerge-all-constants -Wall -Wextra -Wconversion -Wsign-conversion -Wvla -Wnon-virtual-dtor -fmath-errno -fno-exceptions -DHWY_IS_TEST=1 -DGTEST_HAS_PTHREAD=1 -MD -MT CMakeFiles/mul_test.dir/hwy/tests/mul_test.cc.o -MF CMakeFiles/mul_test.dir/hwy/tests/mul_test.cc.o.d -o CMakeFiles/mul_test.dir/hwy/tests/mul_test.cc.o -save-temps -c /home/malat/highway/hwy/tests/mul_test.cc ``` Where the important cmake setup is: ``` CMAKE_BUILD_TYPE:STRING=None CMAKE_CXX_FLAGS:STRING=-O2 -fstrict-aliasing -ggdb3 ```
