http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50878
Bug #: 50878 Summary: ARM bootstrap failure on insn-preds.c with error: dominator of 12 should be 6, not 5 Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassig...@gcc.gnu.org ReportedBy: michael.h...@linaro.org trunk r180460 fails during stage 2 with the following error: ../../../gcc-4.7~/gcc/config/arm/predicates.md: In function 'bool constraint_satisfied_p(rtx, constraint_num)': ../../../gcc-4.7~/gcc/config/arm/predicates.md:924:1: error: dominator of 12 should be 6, not 5 ../../../gcc-4.7~/gcc/config/arm/predicates.md:924:1: internal compiler error: in verify_dominators, at dominance.c:1041 This happens on ARM in an ARMv5 configuration and Cortex-A9 configuration. The full build log is here: http://builds.linaro.org/toolchain/gcc-4.7~svn180460/logs/armv7l-natty-cbuild205-tcpanda04-cortexa9r1/gcc-build.txt The Cortex-A9 configure flags are: --prefix=/scratch/cbuild/slave/slaves/tcpanda04/gcc-4.7~svn180460/gcc/default/install --enable-languages=c,c++,objc,obj-c++,fortran,lto --with-mode=thumb --with-arch=armv7-a --with-tune=cortex-a9 --with-float=softfp --with-fpu=neon More information about the host is here: http://builds.linaro.org/toolchain/gcc-4.7~svn180460/logs/armv7l-natty-cbuild205-tcpanda04-cortexa9r1/host.txt