diff options
Diffstat (limited to 'gcc/fold-const.c')
-rw-r--r-- | gcc/fold-const.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index a7dcfc3f..fe78e6d 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -8584,14 +8584,18 @@ fold_comparison (enum tree_code code, tree type, tree op0, tree op1) of local binding decls or constants. */ else if (indirect_base0 && indirect_base1 /* We know that !operand_equal_p (base0, base1, 0) - because the if condition was false. */ + because the if condition was false. But make + sure two decls are not the same. */ + && base0 != base1 && TREE_CODE (arg0) == ADDR_EXPR && TREE_CODE (arg1) == ADDR_EXPR - && ((DECL_P (base0) + && (((TREE_CODE (base0) == VAR_DECL + || TREE_CODE (base0) == PARM_DECL) && (targetm.binds_local_p (base0) || CONSTANT_CLASS_P (base1))) || CONSTANT_CLASS_P (base0)) - && ((DECL_P (base1) + && (((TREE_CODE (base1) == VAR_DECL + || TREE_CODE (base1) == PARM_DECL) && (targetm.binds_local_p (base1) || CONSTANT_CLASS_P (base0))) || CONSTANT_CLASS_P (base1))) |