https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69015
Bug ID: 69015 Summary: ICE: RTL check: expected code 'code_label', have 'return' in find_cond_trap, at ifcvt.c:3715 with -fno-if-conversion and __builtin_trap() Product: gcc Version: 6.0 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: powerpc-unknown-linux-gnu Created attachment 37109 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37109&action=edit reduced testcase Compiler output: $ powerpc-unknown-linux-gnu-gcc -O -fno-if-conversion testcase.c testcase.c: In function 'foo': testcase.c:6:1: internal compiler error: RTL check: expected code 'code_label', have 'return' in find_cond_trap, at ifcvt.c:4576 } ^ 0xab3ac7 rtl_check_failed_code1(rtx_def const*, rtx_code, char const*, int, char const*) /repo/gcc-trunk/gcc/rtl.c:811 0x11bc76b find_cond_trap /repo/gcc-trunk/gcc/ifcvt.c:4576 0x11bc76b find_if_header /repo/gcc-trunk/gcc/ifcvt.c:4165 0x11bc76b if_convert /repo/gcc-trunk/gcc/ifcvt.c:5302 0x11bcb4d execute /repo/gcc-trunk/gcc/ifcvt.c:5492 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions. $ powerpc-unknown-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest-powerpc/bin/powerpc-unknown-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-231884-checking-yes-rtl-df-nographite-powerpc/bin/../libexec/gcc/powerpc-unknown-linux-gnu/6.0.0/lto-wrapper Target: powerpc-unknown-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++ --enable-checking=yes,rtl,df --without-cloog --without-ppl --without-isl --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=powerpc-unknown-linux-gnu --with-ld=/usr/bin/powerpc-unknown-linux-gnu-ld --with-as=/usr/bin/powerpc-unknown-linux-gnu-as --with-sysroot=/usr/powerpc-unknown-linux-gnu --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-231884-checking-yes-rtl-df-nographite-powerpc Thread model: posix gcc version 6.0.0 20151221 (experimental) (GCC) Only powerpc[64] target has problems with this testcase. Tested revisions: r231884 - FAIL 5-branch r231870 - FAIL 4_9-branch r231865 - FAIL 4_8-branch r224828 - FAIL