================
@@ -0,0 +1,86 @@
+// RUN: %clang_cc1 -std=c2x -verify -triple x86_64 -pedantic -Wno-conversion
-Wno-constant-conversion %s
+
+/* WG14 N3018: Full
+ * The constexpr specifier for object definitions
+ */
+
+#define ULLONG_MAX (__LONG_LONG_MAX__*2ULL+1ULL)
+#define UINT_MAX (__INT_MAX__ *2U +1U)
+
+void Example0() {
+ constexpr unsigned int minusOne = -1;
+ // expected-error@-1 {{constexpr initializer evaluates to -1 which is not
exactly representable in type 'unsigned int'}}
+ constexpr unsigned int uint_max = -1U;
+ constexpr double onethird = 1.0/3.0;
+ constexpr double onethirdtrunc = (double)(1.0/3.0);
+
+ constexpr char string[] = { "\xFF", };
----------------
AaronBallman wrote:
It'd be good to have a test with wide strings and another one with concatenated
strings. e.g.,
```
constexpr char string[] = "test""ing this out\xFF";
```
https://github.com/llvm/llvm-project/pull/73099
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