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| author | Jakub Jelinek <jakub@redhat.com> | 2011-06-27 18:45:49 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2011-06-27 18:45:49 +0200 |
| commit | dc2a58daabf95cfac0dd346ff717902bdc6e3d93 (patch) | |
| tree | a3d72f8f9a1d0c760b61bcb06274339f53519f22 /gcc/cselib.c | |
| parent | 0d72f628a4f21a869cb0dba9bbf45be1b17e625d (diff) | |
| download | gcc-dc2a58daabf95cfac0dd346ff717902bdc6e3d93.zip gcc-dc2a58daabf95cfac0dd346ff717902bdc6e3d93.tar.gz gcc-dc2a58daabf95cfac0dd346ff717902bdc6e3d93.tar.bz2 | |
re PR debug/49544 (ICE in new_elt_loc_list)
PR debug/49544
* cselib.c (promote_debug_loc): If cselib_preserve_constants
and l has two DEBUG_INSN owned locs instead of just one, adjust
the second location's setting_insn too.
* gcc.dg/pr49544.c: New test.
From-SVN: r175540
Diffstat (limited to 'gcc/cselib.c')
| -rw-r--r-- | gcc/cselib.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/cselib.c b/gcc/cselib.c index e575aff..b96c0cd 100644 --- a/gcc/cselib.c +++ b/gcc/cselib.c @@ -257,7 +257,15 @@ promote_debug_loc (struct elt_loc_list *l) { n_debug_values--; l->setting_insn = cselib_current_insn; - gcc_assert (!l->next || cselib_preserve_constants); + if (cselib_preserve_constants && l->next) + { + gcc_assert (l->next->setting_insn + && DEBUG_INSN_P (l->next->setting_insn) + && !l->next->next); + l->next->setting_insn = cselib_current_insn; + } + else + gcc_assert (!l->next); } } |