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Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 31e04bcca29..43d5ab23ea7 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -3834,7 +3834,10 @@ create_overlap_variables_for (tree var) push_fields_onto_fieldstack (TREE_TYPE (var), &fieldstack, 0, NULL, TREE_TYPE (var), 0); - if (VEC_length (fieldoff_s, fieldstack) != 0) + /* Make sure to not create SFTs for structs we won't generate variable + infos for. See tree-ssa-structalias.c:create_variable_info_for (). */ + if (VEC_length (fieldoff_s, fieldstack) != 0 + && VEC_length (fieldoff_s, fieldstack) <= MAX_FIELDS_FOR_FIELD_SENSITIVE) { subvar_t *subvars; fieldoff_s *fo; |