https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97953
Bug ID: 97953 Summary: ICE (segfault) during GIMPLE pass: loopdone compiling libgcc/config/libbid/bid128_fma.c:190:1 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: chris2553 at googlemail dot com Target Milestone: --- Building 11-20201122 (with gcc-10-20201121 or gcc-10-20201114) results in an ICE as follows: /home/chris/rpm/BUILD/gcc-obj-x86_64-pc-linux-gnu/./gcc/xgcc -B/home/chris/rpm/BUILD/gcc-obj-x86_64-pc-linux-gnu/./gcc/ -B/usr/x86_64-pc-linux-gnu/bin/ -B/usr/x86_64-pc-linux-gnu/lib/ -isystem /usr/x86_64-pc-linux-gnu/include -isystem /usr/x86_64-pc-linux-gnu/sys-include -fno-checking -g -O2 -O2 -g -O2 -DIN_GCC -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-error=format-diag -Wstrict-prototypes -Wmissing-prototypes -Wno-error=format-diag -Wold-style-definition -isystem ./include -fpic -mlong-double-80 -DUSE_ELF_SYMVER -fcf-protection -mshstk -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fpic -mlong-double-80 -DUSE_ELF_SYMVER -fcf-protection -mshstk -I. -I. -I../.././gcc -I../../../gcc-11-20201122/libgcc -I../../../gcc-11-20201122/libgcc/. -I../../../gcc-11-20201122/libgcc/../gcc -I../../../gcc-11-20201122/libgcc/../include -I../../../gcc-11-20201122/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS -DUSE_TLS -o bid128_fma.o -MT bid128_fma.o -MD -MP -MF bid128_fma.dep -c ../../../gcc-11-20201122/libgcc/config/libbid/bid128_fma.c during GIMPLE pass: loopdone ../../../gcc-11-20201122/libgcc/config/libbid/bid128_fma.c: In function 'nr_digits256': ../../../gcc-11-20201122/libgcc/config/libbid/bid128_fma.c:190:1: internal compiler error: Segmentation fault 190 | nr_digits256 (UINT256 R256) { | ^~~~~~~~~~~~ A log of the full build (using rpmbuild) and the preprocessed source are attached.