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-rw-r--r--test/CodeGen/2004-08-06-LargeStructTest.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/2004-08-06-LargeStructTest.c b/test/CodeGen/2004-08-06-LargeStructTest.c
new file mode 100644
index 000000000000..ee57f0b5af80
--- /dev/null
+++ b/test/CodeGen/2004-08-06-LargeStructTest.c
@@ -0,0 +1,19 @@
+// RUN: %clang_cc1 -emit-llvm %s -o /dev/null
+
+
+#define A(X) int X;
+#define B(X) A(X##0) A(X##1) A(X##2) A(X##3) A(X##4) A(X##5) A(X##6) A(X##7) \
+ A(X##8) A(X##9) A(X##A) A(X##B) A(X##C) A(X##D) A(X##E) A(X##F)
+#define C(X) B(X##0) B(X##1) B(X##2) B(X##3) B(X##4) B(X##5) B(X##6) B(X##7) \
+ B(X##8) B(X##9) B(X##A) B(X##B) B(X##C) B(X##D) B(X##E) B(X##F)
+
+struct foo {
+ C(x); // 256
+ C(y); // 256
+ C(z);
+};
+
+
+int test(struct foo *F) {
+ return F->xA1 + F->yFF + F->zC4;
+}