http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46171
Summary: [4.6 Regression] ICE: in gen_rtx_SUBREG, at emit-rtl.c:774 with -fno-tree-dce -g Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: zso...@seznam.cz Created attachment 22151 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22151 reduced testcase Compiler output: $ gcc -O -fno-tree-dce -g pr46171.c pr46171.c: In function 'foo': pr46171.c:8:1: internal compiler error: in gen_rtx_SUBREG, at emit-rtl.c:774 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Tested revisions: r165915 - crash r165699 - crash r163636 - OK 4.5 r165781 - OK