[clang] [Clang] Fix constexpr __builtin_(add|sub|mul)_overflow bugs (PR #192568)

[Shafik Yaghmour via cfe-commits]

================
@@ -1964,6 +1964,53 @@ namespace I128Mul {
 }
 #endif
 
+namespace OverflowOps {
+  constexpr bool add_bool() {
+    bool r = false;
+    return __builtin_add_overflow(1u, 1u, &r) && r == false;
----------------
shafik wrote:

I am curious what we expect for:

```cpp
constexpr bool add_bool() {
    bool r = false;
    return __builtin_add_overflow(true, true, &r) && r == false;
  }
  static_assert(add_bool());
```

I would also note gcc does not seem to like the third argument: https://gcc.godbolt.org/z/nT56hx935

https://github.com/llvm/llvm-project/pull/192568