1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index 3ab360b0dd3..55f4ce46c41 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -7436,6 +7436,10 @@ tree_expr_nonnegative_p (t)
     {
     case ABS_EXPR:
     case FFS_EXPR:
+    case CLZ_EXPR:
+    case CTZ_EXPR:
+    case POPCOUNT_EXPR:
+    case PARITY_EXPR:
       return 1;
     case INTEGER_CST:
       return tree_int_cst_sgn (t) >= 0;