1 files changed, 17 insertions, 0 deletions
diff --git a/tests/preprocessor/if-macro-token-paste.slang b/tests/preprocessor/if-macro-token-paste.slang
new file mode 100644
index 000000000..da6a45fdc
--- /dev/null
+++ b/tests/preprocessor/if-macro-token-paste.slang
@@ -0,0 +1,17 @@
+// if-macro.slang
+
+//TEST:SIMPLE:
+
+// Test that a `#if` test can invoke a function-like macro.
+//
+// Note: this test is a reproducer for a bug reported by a user.
+
+#define is_valid_TEST 1
+#define isValid(name) (is_valid_##name != 0)
+int test() {
+#if isValid(TEST)
+    return 1;
+#else
+    return NO_SUCH_SYMBOL;
+#endif
+}
+\ No newline at end of file