diff options
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 9c6cc90..008f4c6 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -5368,15 +5368,13 @@ grokdeclarator (const struct c_declarator *declarator, convert (index_type, size_one_node)); - /* If that overflowed, the array is too big. ??? - While a size of INT_MAX+1 technically shouldn't - cause an overflow (because we subtract 1), the - overflow is recorded during the conversion to - index_type, before the subtraction. Handling - this case seems like an unnecessary - complication. */ - if (TREE_CODE (itype) == INTEGER_CST - && TREE_OVERFLOW (itype)) + /* The above overflows when size does not fit + in index_type. + ??? While a size of INT_MAX+1 technically shouldn't + cause an overflow (because we subtract 1), handling + this case seems like an unnecessary complication. */ + if (TREE_CODE (size) == INTEGER_CST + && !int_fits_type_p (size, index_type)) { if (name) error_at (loc, "size of array %qE is too large", |