[Bug tree-optimization/55920] [4.8 Regression] ICE in expand_debug_locations, at cfgexpand.c:3753

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55920



--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-01-15 
16:33:38 UTC ---

Author: jakub

Date: Tue Jan 15 16:33:24 2013

New Revision: 195209



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195209

Log:

    PR tree-optimization/55920

    * tree-sra.c (sra_modify_assign): If for lacc->grp_to_be_debug_replaced

    there is non-useless type conversion needed from debug rhs to lhs,

    use build_debug_ref_for_model and/or VIEW_CONVERT_EXPR.



    * gcc.c-torture/compile/pr55920.c: New test.



Added:

    trunk/gcc/testsuite/gcc.c-torture/compile/pr55920.c

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/testsuite/ChangeLog

    trunk/gcc/tree-sra.c