diff options
| -rw-r--r-- | gcc/c-typeck.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c index a602f7f..5144d34 100644 --- a/gcc/c-typeck.c +++ b/gcc/c-typeck.c @@ -2645,11 +2645,11 @@ pointer_int_sum (resultcode, ptrop, intop) intop = convert (int_type, TREE_OPERAND (intop, 0)); } - /* Convert the integer argument to a type the same size as a pointer + /* Convert the integer argument to a type the same size as sizetype so the multiply won't overflow spuriously. */ - if (TYPE_PRECISION (TREE_TYPE (intop)) != POINTER_SIZE) - intop = convert (type_for_size (POINTER_SIZE, 0), intop); + if (TYPE_PRECISION (TREE_TYPE (intop)) != TYPE_PRECISION (sizetype)) + intop = convert (type_for_size (TYPE_PRECISION (sizetype), 0), intop); /* Replace the integer argument with a suitable product by the object size. Do this multiplication as signed, then convert to the appropriate |