[NFC][Clang][Interp] Add more test for __builtin_os_log_format_buffer_size (#100566)

yronglin · web-flow · commit 8d4cb92e3536 · 2024-07-26T19:34:27.000+08:00
Signed-off-by: yronglin &lt;yronglin777@gmail.com&gt;
diff --git a/clang/test/AST/Interp/builtins.cpp b/clang/test/AST/Interp/builtins.cpp
@@ -31,3 +31,8 @@ constexpr bool assume() {
   return true;
 }
 static_assert(assume(), "");
+
+void test_builtin_os_log(void *buf, int i, const char *data) {
+  constexpr int len = __builtin_os_log_format_buffer_size("%d %{public}s %{private}.16P", i, data, data);
+  static_assert(len > 0, "Expect len > 0");
+}

Original file line number	Diff line number	Diff line change
`@@ -31,3 +31,8 @@ constexpr bool assume() {`
`31`	`31`	`return true;`
`32`	`32`	`}`
`33`	`33`	`static_assert(assume(), "");`
	`34`	`+`
	`35`	`+void test_builtin_os_log(void buf, int i, const char data) {`
	`36`	`+ constexpr int len = __builtin_os_log_format_buffer_size("%d %{public}s %{private}.16P", i, data, data);`
	`37`	`+ static_assert(len > 0, "Expect len > 0");`
	`38`	`+}`