[Bug middle-end/40669] [4.3/4.4/4.5 Regression] ICE in gimple_assign_set_rhs1 from eliminate_tail_call

[rguenth at gcc dot gnu dot org]

------- Comment #6 from rguenth at gcc dot gnu dot org  2009-07-07 12:44 -------
Subject: Bug 40669

Author: rguenth
Date: Tue Jul  7 12:44:32 2009
New Revision: 149321

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149321
Log:
2009-07-07  Richard Guenther  <rguent...@suse.de>

        PR middle-end/40328
        PR tree-optimization/40669
        * tree-tailcall.c (adjust_accumulator_values): Properly
        set DECL_GIMPLE_REG_P.
        (adjust_return_value): Likewise.
        (tree_optimize_tail_calls_1): Likewise.
        * fold-const.c (fold_convert): Fold the built COMPLEX_EXPR.

        * gcc.dg/pr40669.c: New testcase.
        * gcc.dg/torture/pr40328.c: Likewise.

Added:
    branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/pr40669.c
    branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/torture/pr40328.c
Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/fold-const.c
    branches/gcc-4_3-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_3-branch/gcc/tree-tailcall.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40669