https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121618
--- Comment #4 from Sam James <sjames at gcc dot gnu.org> --- Created attachment 62165 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62165&action=edit gensupport.ii.xz (gdb) bt #0 read_md_rtx (info=0xfffeee74, info@entry=0xfffeee6c) at /root/git/gcc/gcc/gensupport.cc:3289 #1 0x00012340 in main (argc=<optimized out>, argv=<optimized out>) at /root/git/gcc/gcc/genconditions.cc:227 (gdb) x/i $pc => 0x206a8 <_Z11read_md_rtxP11md_rtx_info+136>: ldrb r1, [r2] gensupport.o is miscompiled. ``` /tmp/bisect-gcc-bld/./prev-gcc/xg++ -B/tmp/bisect-gcc-bld/./prev-gcc/ -B/tmp/bisect-gcc-pfx/armv7a-unknown-linux-gnueabihf/bin/ -nostdinc++ -B/tmp/bisect-gcc-bld/prev-armv7a-unknown-linux-gnueabihf/libstdc++-v3/src/.libs -B/tmp/bisect-gcc-bld/prev-armv7a-unknown-linux-gnueabihf/libstdc++-v3/libsupc++/.libs -I/tmp/bisect-gcc-bld/prev-armv7a-unknown-linux-gnueabihf/libstdc++-v3/include/armv7a-unknown-linux-gnueabihf -I/tmp/bisect-gcc-bld/prev-armv7a-unknown-linux-gnueabihf/libstdc++-v3/include -I/root/git/gcc/libstdc++-v3/libsupc++ -L/tmp/bisect-gcc-bld/prev-armv7a-unknown-linux-gnueabihf/libstdc++-v3/src/.libs -L/tmp/bisect-gcc-bld/prev-armv7a-unknown-linux-gnueabihf/libstdc++-v3/libsupc++/.libs -c -g -O2 -time=/tmp/bisect-gcc-bld/time.log -fno-checking -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-error=narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Wconditionally-supported -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I/root/git/gcc/gcc -I/root/git/gcc/gcc/build -I/root/git/gcc/gcc/../include -I/root/git/gcc/gcc/../libcpp/include -o build/gensupport.o /root/git/gcc/gcc/gensupport.cc -save-temps ```
