http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46879
Summary: [4.6 Regression] ICE: in separate_decls_in_region_debug_bind, at tree-parloops.c:778 with -flto -ftree-parallelize-loops -gdwarf-3 Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: lto AssignedTo: unassig...@gcc.gnu.org ReportedBy: zso...@seznam.cz Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 22700 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22700 reduced testcase Compiler output: $ gcc -O -flto -ftree-parallelize-loops=4 -gdwarf-3 pr46879.c In file included from :0:0: pr46879.c: In function 'main': pr46879.c:18:5: internal compiler error: in separate_decls_in_region_debug_bind, at tree-parloops.c:778 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. lto-wrapper: /mnt/svn/gcc-trunk/binary-167643-lto-fortran-checking-yes-rtl-df/bin/gcc returned 1 exit status collect2: lto-wrapper returned 1 exit status Tested revisions: r167643 - crash r165699 - crash r161659 - OK 4.5 r166509 - OK