https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83554
Bug ID: 83554 Summary: [8 Regression] ICE: in ix86_mitigate_rop, at config/i386/i386.c:41274 with -mmitigate-rop Product: gcc Version: 8.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 42954 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42954&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -Os -mmitigate-rop testcase.c during RTL pass: mach testcase.c: In function 'b': testcase.c:9:1: internal compiler error: in ix86_mitigate_rop, at config/i386/i386.c:41274 } ^ 0x7d38bd ix86_mitigate_rop /repo/gcc-trunk/gcc/config/i386/i386.c:41274 0x7d38bd ix86_reorg /repo/gcc-trunk/gcc/config/i386/i386.c:41377 0xe01a59 execute /repo/gcc-trunk/gcc/reorg.c:3948 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-255909-checking-yes-rtl-df-extra-nographite-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/8.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++ --enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra --without-cloog --without-ppl --without-isl --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld --with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-255909-checking-yes-rtl-df-extra-nographite-amd64 Thread model: posix gcc version 8.0.0 20171221 (experimental) (GCC)