https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84716
Bug ID: 84716 Summary: bootstrap fails on Darwin with internal compiler error: in compute_antic_aux, at tree-ssa-pre.c:2148 Product: gcc Version: 8.0.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap Assignee: unassigned at gcc dot gnu.org Reporter: mario-baumann at web dot de Target Milestone: --- Created attachment 43563 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43563&action=edit delta reduction of isl_factorization.c bootstrap fails on Darwin while compiling ISL file isl_factorization.c from isl-0.16.1 during stage-2: isl_factorization.c:44:17: internal compiler error: in compute_antic_aux, at tree-ssa-pre.c:2148 isl_factorizer* isl_basic_set_factorizer(isl_basic_map* bset) ^~~~~~~~~~~~~~~~~~~~~~~~ > /Gcc/8.0.1/.bld/./prev-gcc/xgcc -v Using built-in specs. COLLECT_GCC=/Gcc/8.0.1/.bld/./prev-gcc/xgcc Target: x86_64-apple-darwin17 Configured with: /Gcc/8.0.1/.src/configure --prefix=/Gcc/8.0.1 --build=x86_64-apple-darwin17 --enable-languages=c,c++,fortran --enable-lto --enable-stage1-checking --enable-libstdcxx-time --disable-nls --disable-libquadmath --disable-libquadmath-support --with-ld=/opt/local/bin/ld --with-ar=/opt/local/bin/ar --with-as=/opt/local/bin/as --with-system-zlib --with-pkgversion=svn-revision-258242 Thread model: posix gcc version 8.0.1 20180305 (experimental) (svn-revision-258242) Findings: - Delta reduction for isl_factorization.c is attached - Locally compiled with: /Gcc/8.0.1/.bld/./prev-gcc/xgcc -B/Gcc/8.0.1/.bld/./prev-gcc/ -B/Gcc/8.0.1/x86_64-apple-darwin17/bin/ -B/Gcc/8.0.1/x86_64-apple-darwin17/bin/ -c -O2 isl_factorization.c - Compilation with -O1 and -O0 works fine