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-rw-r--r--gcc/fold-const.c10
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)))