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re PR debug/46171 (ICE: in gen_rtx_SUBREG, at emit-rtl.c:774 with -fno-tree-dce -g)
authorJakub Jelinek <jakub@redhat.com>
Tue, 9 Nov 2010 19:04:44 +0000 (20:04 +0100)
committerJakub Jelinek <jakub@gcc.gnu.org>
Tue, 9 Nov 2010 19:04:44 +0000 (20:04 +0100)
commit67c6812fe3af0c0094818cc58a7fd702db71235e
treef7c935d24979694daebd7751d1df497001c7acb3tree | snapshot
parentcc577f3f11304190ce0659587eff0910780cd485commit | diff
re PR debug/46171 (ICE: in gen_rtx_SUBREG, at emit-rtl.c:774 with -fno-tree-dce -g)

PR debug/46171
* df-problems.c (struct dead_debug_use, struct dead_debug): Move
earlier.
(df_set_unused_notes_for_mw, df_create_unused_note): Add DEBUG
argument, call dead_debug_reset when adding REG_UNUSED note.
(dead_debug_reset): New function.
(df_note_bb_compute): Adjust df_set_unused_notes_for_mw and
df_create_unused_note callers.

* gcc.dg/pr46171.c: New test.

From-SVN: r166504
gcc/ChangeLog diff | blob | history
gcc/df-problems.c diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/pr46171.c [new file with mode: 0644] blob
Domain: System / Toolchain;