diff options
| -rw-r--r-- | gcc/c-typeck.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c index 9e97bffe006..0994ec380fa 100644 --- a/gcc/c-typeck.c +++ b/gcc/c-typeck.c @@ -2711,10 +2711,12 @@ pointer_diff (op0, op1) } /* First do the subtraction as integers; - then drop through to build the divide operator. */ + then drop through to build the divide operator. + Do not do default conversions on the minus operator + in case restype is a short type. */ op0 = build_binary_op (MINUS_EXPR, convert (restype, op0), - convert (restype, op1), 1); + convert (restype, op1), 0); /* This generates an error if op1 is pointer to incomplete type. */ if (TYPE_SIZE (TREE_TYPE (TREE_TYPE (op1))) == 0) error ("arithmetic on pointer to an incomplete type"); |
