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Diffstat (limited to 'gcc/tree-ssa-live.c')
| -rw-r--r-- | gcc/tree-ssa-live.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/tree-ssa-live.c b/gcc/tree-ssa-live.c index 903faa91649..3edda1e378e 100644 --- a/gcc/tree-ssa-live.c +++ b/gcc/tree-ssa-live.c @@ -798,9 +798,16 @@ remove_unused_locals (void) { if (!is_used_p (var)) { + tree def; if (cfun->nonlocal_goto_save_area && TREE_OPERAND (cfun->nonlocal_goto_save_area, 0) == var) cfun->nonlocal_goto_save_area = NULL; + /* Release any default def associated with var. */ + if ((def = ssa_default_def (cfun, var)) != NULL_TREE) + { + set_ssa_default_def (cfun, var, NULL_TREE); + release_ssa_name (def); + } continue; } } |