diff options
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index 6b470b3143f..d351bf503c2 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -4540,12 +4540,19 @@ find_what_p_points_to (tree p) finished_solution = BITMAP_GGC_ALLOC (); stats.points_to_sets_created++; - /* Instead of using pt_anything, we instead merge in the SMT - aliases for the underlying SMT. In addition, if they - could have pointed to anything, they could point to - global memory. */ + /* Instead of using pt_anything, we merge in the SMT aliases + for the underlying SMT. In addition, if they could have + pointed to anything, they could point to global memory. + But we cannot do that for ref-all pointers because these + aliases have not been computed yet. */ if (was_pt_anything) { + if (PTR_IS_REF_ALL (p)) + { + pi->pt_anything = 1; + return false; + } + merge_smts_into (p, finished_solution); pi->pt_global_mem = 1; } |