diff options
Diffstat (limited to 'gcc/gimple-ssa-warn-access.cc')
| -rw-r--r-- | gcc/gimple-ssa-warn-access.cc | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/gimple-ssa-warn-access.cc b/gcc/gimple-ssa-warn-access.cc index 879dbcc1e52..39aa8186de6 100644 --- a/gcc/gimple-ssa-warn-access.cc +++ b/gcc/gimple-ssa-warn-access.cc @@ -3923,7 +3923,8 @@ pass_waccess::warn_invalid_pointer (tree ref, gimple *use_stmt, return; } - if ((maybe && warn_dangling_pointer < 2) + if (equality + || (maybe && warn_dangling_pointer < 2) || warning_suppressed_p (use_stmt, OPT_Wdangling_pointer_)) return; @@ -4241,7 +4242,7 @@ pass_waccess::check_pointer_uses (gimple *stmt, tree ptr, basic_block use_bb = gimple_bb (use_stmt); bool this_maybe = (maybe - || !dominated_by_p (CDI_POST_DOMINATORS, use_bb, stmt_bb)); + || !dominated_by_p (CDI_POST_DOMINATORS, stmt_bb, use_bb)); warn_invalid_pointer (*use_p->use, use_stmt, stmt, var, this_maybe, equality); continue; @@ -4486,7 +4487,7 @@ pass_waccess::check_dangling_uses (tree var, tree decl, bool maybe /* = false */ basic_block use_bb = gimple_bb (use_stmt); basic_block clob_bb = gimple_bb (*pclob); - maybe = maybe || !dominated_by_p (CDI_POST_DOMINATORS, use_bb, clob_bb); + maybe = maybe || !dominated_by_p (CDI_POST_DOMINATORS, clob_bb, use_bb); warn_invalid_pointer (var, use_stmt, *pclob, decl, maybe, false); } |