diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-06-09 07:46:28 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-06-09 07:46:28 +0000 |
| commit | 5af2c7fc3566ffcba936afd7b6aacf25fc4b8276 (patch) | |
| tree | 04c78a3f0d60ea8375218ae474e406d2d7bf67f4 /gcc/dce.c | |
| parent | f9cccfac295bed8da7e640f24a625509c9cce5da (diff) | |
| download | gcc-5af2c7fc3566ffcba936afd7b6aacf25fc4b8276.tar.gz | |
PR middle-end/49308
* dce.c (reset_unmarked_insns_debug_uses): Avoid shadowing insn
variable. After resetting and rescanning insn continue with previous
statement.
* gfortran.dg/pr49308.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@174839 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/dce.c')
| -rw-r--r-- | gcc/dce.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/dce.c b/gcc/dce.c index 93464fedeed..997432501d3 100644 --- a/gcc/dce.c +++ b/gcc/dce.c @@ -514,11 +514,11 @@ reset_unmarked_insns_debug_uses (void) struct df_link *defs; for (defs = DF_REF_CHAIN (use); defs; defs = defs->next) { - rtx insn; + rtx ref_insn; if (DF_REF_IS_ARTIFICIAL (defs->ref)) continue; - insn = DF_REF_INSN (defs->ref); - if (!marked_insn_p (insn)) + ref_insn = DF_REF_INSN (defs->ref); + if (!marked_insn_p (ref_insn)) break; } if (!defs) @@ -527,6 +527,7 @@ reset_unmarked_insns_debug_uses (void) each of the DEFs? */ INSN_VAR_LOCATION_LOC (insn) = gen_rtx_UNKNOWN_VAR_LOC (); df_insn_rescan_debug_internal (insn); + break; } } } |