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-rw-r--r--tests/builtin-constant-p.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tests/builtin-constant-p.c b/tests/builtin-constant-p.c
new file mode 100644
index 0000000..fa16ed3
--- /dev/null
+++ b/tests/builtin-constant-p.c
@@ -0,0 +1,3 @@
+int f(void);
+int x = __builtin_constant_p(1+2*3);
+int y = __builtin_constant_p(f());