================
@@ -240,5 +240,11 @@ static_assert(!__builtin_is_aligned(static_cast<unsigned
long>(7), static_cast<s
static_assert(!__builtin_is_aligned(static_cast<signed long>(7),
static_cast<unsigned short>(4)), "");
static_assert(!__builtin_is_aligned(static_cast<unsigned short>(7),
static_cast<signed long>(4)), "");
+// Check that one-past-end pointers don't crash (GH#178647).
+// Use a runtime context to test codegen path where the crash originally
occurred.
+char *test_one_past_end_align() {
+ return __builtin_align_up(&align32array[128], 4);
+}
----------------
tbaederr wrote:
```
static_assert(__builtin_align_up(&align32array[128], 4) == align32array+128);
```
https://github.com/llvm/llvm-project/pull/178652
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