diff options
Diffstat (limited to 'gcc/tree-ssa-structalias.cc')
| -rw-r--r-- | gcc/tree-ssa-structalias.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/tree-ssa-structalias.cc b/gcc/tree-ssa-structalias.cc index bb59c6a..0bac1a1 100644 --- a/gcc/tree-ssa-structalias.cc +++ b/gcc/tree-ssa-structalias.cc @@ -3575,6 +3575,10 @@ get_constraint_for_1 (tree t, vec<ce_s> *results, bool address_p, } case tcc_reference: { + if (TREE_THIS_VOLATILE (t)) + /* Fall back to anything. */ + break; + switch (TREE_CODE (t)) { case MEM_REF: @@ -3676,6 +3680,9 @@ get_constraint_for_1 (tree t, vec<ce_s> *results, bool address_p, } case tcc_declaration: { + if (VAR_P (t) && TREE_THIS_VOLATILE (t)) + /* Fall back to anything. */ + break; get_constraint_for_ssa_var (t, results, address_p); return; } |