[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 #20 from jakub at gcc dot gnu dot org  2008-07-31 19:09 -------
Subject: Bug 36419

Author: jakub
Date: Thu Jul 31 19:07:51 2008
New Revision: 138431

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=138431
Log:
        PR rtl-optimization/36419
        * dwarf2out.c (barrier_args_size): New variable.
        (compute_barrier_args_size, compute_barrier_args_size_1): New
        functions.
        (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size
        if not called yet in the current function, use barrier_args_size
        array to find the new args_size value.
        (dwarf2out_frame_debug): Free and clear barrier_args_size.

        * g++.dg/eh/async-unwind2.C: New test.

Added:
    branches/gcc-4_3-branch/gcc/testsuite/g++.dg/eh/async-unwind2.C
Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    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