[Bug middle-end/56559] New: [4.7/4.8 Regression] ICE in propagate_op_to_single_use, at tree-ssa-reassoc.c:1057

[doko at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56559



             Bug #: 56559

           Summary: [4.7/4.8 Regression] ICE in

                    propagate_op_to_single_use, at tree-ssa-reassoc.c:1057

    Classification: Unclassified

           Product: gcc

           Version: 4.8.0

            Status: UNCONFIRMED

          Severity: normal

          Priority: P3

         Component: middle-end

        AssignedTo: unassig...@gcc.gnu.org

        ReportedBy: d...@gcc.gnu.org





Created attachment 29607

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29607

preprocessed source



works with 4.7, fails with trunk 20130307. Omitting -ffast-math avoids the

issue.



$ gcc-4.8 -c -g -O1 -ffast-math gga_k_dk.i 

In file included from ../../../../libxc/src/gga_k_dk.c:158:0:

../../../../libxc/src/work_gga_x.c: In function 'work_gga_k':

../../../../libxc/src/work_gga_x.c:36:1: internal compiler error: in

propagate_op_to_single_use, at tree-ssa-reassoc.c:1057

Please submit a full bug report,

with preprocessed source if appropriate.