http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54098
Bug #: 54098 Summary: [tree-vrp] ICE on valid code Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: zhr...@newmail.ru Created attachment 27876 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27876 Preprocessed minimized testcase. gcc 4.8 revision 188728 and later segfaults on 64bit Linux while compiling the attached code with -march=nocona. $ gcc -Wall -O2 -march=nocona -c foo-small.c foo-small.c: In function 'pbus_size_mem': foo-small.c:35:6: internal compiler error: Segmentation fault void pbus_size_mem(struct pci_bus *bus, unsigned long mask, unsigned long type, unsigned long long min_size, unsigned long long add_size, void *realloc_head) { ^ Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. $ gcc --version gcc (GCC) 4.8.0 20120618 (experimental) Copyright (C) 2012 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. gcc configured with "--disable-bootstrap --enable-languages=c,c++" 4.6.3 works ok. 4.8 trunk up to revision 188727 also works ok.