https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68018
Bug ID: 68018 Summary: [6 Regression] ICE: in ix86_compute_frame_layout, at config/i386/i386.c:11308 with -mstackrealign Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Created attachment 36539 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36539&action=edit reduced testcase Compiler output: $ gcc -O -mabi=ms -mstackrealign testcase.c testcase.c: In function 'fn1': testcase.c:7:1: internal compiler error: in ix86_compute_frame_layout, at config/i386/i386.c:11308 } ^ 0xe73ea0 ix86_compute_frame_layout /mnt/svn/gcc-trunk/gcc/config/i386/i386.c:11308 0xe97196 ix86_expand_prologue() /mnt/svn/gcc-trunk/gcc/config/i386/i386.c:12578 0x10453ba gen_prologue() /mnt/svn/gcc-trunk/gcc/config/i386/i386.md:12282 0xe704b8 target_gen_prologue /mnt/svn/gcc-trunk/gcc/config/i386/i386.md:18335 0x89a5af thread_prologue_and_epilogue_insns() /mnt/svn/gcc-trunk/gcc/function.c:5972 0x89b1f2 rest_of_handle_thread_prologue_and_epilogue /mnt/svn/gcc-trunk/gcc/function.c:6523 0x89b1f2 execute /mnt/svn/gcc-trunk/gcc/function.c:6565 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. $ gcc -v Using built-in specs. COLLECT_GCC=/mnt/svn/gcc-trunk/binary-latest/bin/gcc COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-228793-lto-fortran-checking-yes-rtl-df/libexec/gcc/x86_64-pc-linux-gnu/6.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /mnt/svn/gcc-trunk//configure --enable-checking=yes,rtl,df --enable-languages=c,c++,lto,fortran --prefix=/mnt/svn/gcc-trunk/binary-228793-lto-fortran-checking-yes-rtl-df/ --without-cloog --without-ppl --without-isl Thread model: posix gcc version 6.0.0 20151014 (experimental) (GCC) Tested revisions: r228793 - ICE 5_branch r228441 - OK