1 files changed, 48 insertions, 0 deletions
diff --git a/clang/test/PCH/pr4489.c b/clang/test/PCH/pr4489.c
new file mode 100644
index 0000000..033e55b
--- /dev/null
+++ b/clang/test/PCH/pr4489.c
@@ -0,0 +1,48 @@
+// RUN: %clang -x c-header -o %t.pch %s
+// RUN: echo > %t.empty.c
+// RUN: %clang -include %t -x c %t.empty.c -emit-llvm -S -o -
+
+// FIXME: This test is forcibly disabled, it is flaky on the clang-i686-xp-msvc9
+// buildbot.
+//
+// RUN: false
+// XFAIL: *
+
+// PR 4489: Crash with PCH
+// PR 4492: Crash with PCH (round two)
+// PR 4509: Crash with PCH (round three)
+typedef struct _IO_FILE FILE;
+extern int fprintf (struct _IO_FILE *__restrict __stream,
+                    __const char *__restrict __format, ...);
+
+int x(void)
+{
+  switch (1) {
+    case 2: ;
+      int y = 0;
+  }
+}
+
+void y(void) {
+  extern char z;
+  fprintf (0, "a");
+}
+
+struct y0 { int i; } y0[1] = {};
+
+void x0(void)
+{
+  extern char z0;
+  fprintf (0, "a");
+}
+
+void x1(void)
+{
+  fprintf (0, "asdf");
+}
+
+void y1(void)
+{
+  extern char e;
+  fprintf (0, "asdf");
+}