http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52271
Bug #: 52271 Summary: -fdebug-types-section crashes Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: blocker Priority: P3 Component: regression AssignedTo: unassig...@gcc.gnu.org ReportedBy: jan.kratoch...@redhat.com Target: x86_64-unknown-linux-gnu crash: gcc (GCC) 4.7.0 20120216 (experimental) It was crashing already at least on 2012-02-01, I did not search older logs. crash: gcc-4.7.0-0.12.fc17.x86_64. while PATH="$HOME/redhat/gcchead-root/bin:$PATH" /usr/bin/runtest CXX_FOR_TARGET="g++ -gdwarf-4 -fdebug-types-section -g0" gdb.cp/m-static.exp gdb.cp/templates.exp gdb.cp/cpexprs.exp && ! grep 'glibc detected' gdb.log;do :;done gdb compile failed, *** glibc detected *** /home/jkratoch/redhat/gcchead-root/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/cc1plus: invalid fastbin entry (free): 0x000000000285df20 *** general data corruption, backtrace is dwarf2out_finish->...->htab_expand->... Reproducible in about 33% of runs for me.