diff options
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 42a5431..adea68e 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -2067,6 +2067,7 @@ init_alias_info (void) struct alias_info *ai; referenced_var_iterator rvi; tree var; + static bool alias_bitmap_obstack_initialized; ai = XCNEW (struct alias_info); ai->ssa_names_visited = sbitmap_alloc (num_ssa_names); @@ -2094,9 +2095,10 @@ init_alias_info (void) /* Next time, we will need to reset alias information. */ cfun->gimple_df->aliases_computed_p = true; - if (alias_bitmap_obstack.elements != NULL) + if (alias_bitmap_obstack_initialized) bitmap_obstack_release (&alias_bitmap_obstack); bitmap_obstack_initialize (&alias_bitmap_obstack); + alias_bitmap_obstack_initialized = true; return ai; } |