[Bug rtl-optimization/36419] [4.3/4.4 Regression] Wrong unwind info with -Os -fasynchronous-unwind-tables

["jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #15 from jakub at gcc dot gnu dot org  2008-07-10 07:53 -------
Subject: Bug 36419

Author: jakub
Date: Thu Jul 10 07:52:36 2008
New Revision: 137690

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=137690
Log:
        PR rtl-optimization/36419
        * combine-stack-adj.c (adjust_frame_related_expr): New function.
        (combine_stack_adjustments_for_block): Call it if needed.  Delete
        correct insn.
        * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
        DW_CFA_GNU_args_size if CSA pass merged some adjustments into
        prologue sp adjustment.

        * g++.dg/eh/async-unwind1.C: New test.

Added:
    branches/gcc-4_3-branch/gcc/testsuite/g++.dg/eh/async-unwind1.C
Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/combine-stack-adj.c
    branches/gcc-4_3-branch/gcc/dwarf2out.c
    branches/gcc-4_3-branch/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36419