new testcase that crashes the CFE

llvm-svn: 23423

1 files changed, 33 insertions, 0 deletions

diff --git a/llvm/test/Regression/CFrontend/2005-09-24-BitFieldCrash.c b/llvm/test/Regression/CFrontend/2005-09-24-BitFieldCrash.c
new file mode 100644
index 00000000000..b4c85ffb2d8
--- /dev/null
+++ b/llvm/test/Regression/CFrontend/2005-09-24-BitFieldCrash.c
@@ -0,0 +1,33 @@
+// RUN: %llvmgcc %s -S -o - 
+
+struct tree_common {};
+
+struct tree_int_cst {
+ struct tree_common common;
+  struct tree_int_cst_lowhi {
+    unsigned long long low;
+    long long high;
+  } int_cst;
+};
+
+enum XXX { yyy };
+
+struct tree_function_decl {
+  struct tree_common common;
+  long long locus, y;
+  __extension__ enum  XXX built_in_class : 2;
+
+};
+
+
+union tree_node {
+  struct tree_int_cst int_cst;
+  struct tree_function_decl function_decl;
+};
+
+
+void foo (union tree_node * decl) {
+  decl->function_decl.built_in_class != 0;
+}
+
+