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[Bug middle-end/48722] [4.7 Regression] ICE in df_refs_verify() with -mno-push-args


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48722

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-08-29 11:52:26 UTC ---
Author: jakub
Date: Mon Aug 29 11:52:22 2011
New Revision: 178208

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178208
Log:
    PR middle-end/48722
    * emit-rtl.c (unshare_all_rtl_again): For CALL_INSNs,
    reset_used_flags also in CALL_INSN_FUNCTION_USAGE.
    (verify_rtl_sharing): Likewise and verify_rtx_sharing
    in there too.
    (unshare_all_rtl_in_chain): For CALL_INSNs
    copy_rtx_if_shared also CALL_INSN_FUNCTION_USAGE.

    * gcc.target/i386/pr48722.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr48722.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/emit-rtl.c
    trunk/gcc/testsuite/ChangeLog


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