https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63814
--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > Dominique, if you could pinpoint exactly the revision causing this, it > would be great. Most of us do not have access to a darwin machine. > Thanks. It was what I tried to do, but I finally found that the failures do not trigger when gcc is configured with --enable-checking=release (probably obvious). > This appeared between revisions r216154 (OK) and r216633 (ICE). Then this should be replaced with This appeared between revisions r216102 (OK) and r216633 (ICE). I'll restart the bisection without --enable-checking=release!-( Note that I have found the following problem [Book15] f90/bug% /opt/gcc/gcc4.10p-216154p2b/bin/g++ -O3 --param ipa-cp-eval-threshold=1 /opt/gcc/work/gcc/testsuite/g++.dg/ipa/pr61160-2.C -std=gnu++11 -m32 -std=gnu++98 [Book15] f90/bug% a.out Abort where 216154p2b is r216154 with patches to bootstrap.