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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-02-05 14:34:30 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-02-05 14:34:30 +0000 |
| commit | ae3a21c97a3c4fe94c1702353834bdb36cb54edc (patch) | |
| tree | ef3ace13aa552233ed60eea323f9044fc76c8274 /gcc/tree-eh.c | |
| parent | 7ffa2d72c4897af02eee4b0223b07cb2a7e27235 (diff) | |
| download | gcc-ae3a21c97a3c4fe94c1702353834bdb36cb54edc.tar.gz | |
PR middle-end/57499
* tree-eh.c (cleanup_empty_eh): Bail out on totally empty
bb with no successors.
* g++.dg/torture/pr57499.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@207504 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-eh.c')
| -rw-r--r-- | gcc/tree-eh.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/tree-eh.c b/gcc/tree-eh.c index e9c714c7714..857ee4581bc 100644 --- a/gcc/tree-eh.c +++ b/gcc/tree-eh.c @@ -4396,8 +4396,11 @@ cleanup_empty_eh (eh_landing_pad lp) /* If the block is totally empty, look for more unsplitting cases. */ if (gsi_end_p (gsi)) { - /* For the degenerate case of an infinite loop bail out. */ - if (infinite_empty_loop_p (e_out)) + /* For the degenerate case of an infinite loop bail out. + If bb has no successors and is totally empty, which can happen e.g. + because of incorrect noreturn attribute, bail out too. */ + if (e_out == NULL + || infinite_empty_loop_p (e_out)) return ret; return ret | cleanup_empty_eh_unsplit (bb, e_out, lp); |