compiler hangs for this test

diff --git a/ir/be/test/compilerhang1.c b/ir/be/test/compilerhang1.c
new file mode 100644 (file)
index 0000000..247f51c
--- /dev/null
+++ b/ir/be/test/compilerhang1.c
@@ -0,0 +1,71 @@
+/* Verify that flexible arrays can be initialized from STRING_CST
+   constructors. */
+
+/* Baselines.  */
+struct {
+  char a1c;
+  char *a1p;
+} a1 = {
+  '4',
+  "62"
+};
+
+struct {
+  char a2c;
+  char a2p[2];
+} a2 = {
+  'v',
+  "cq"
+};
+
+/* The tests.  */
+struct {
+  char a3c;
+  char a3p[];
+} a3 = {
+  'o',
+  "wx"
+};
+
+struct {
+  char a4c;
+  char a4p[];
+} a4 = {
+  '9',
+  { 'e', 'b' }
+};
+
+main()
+{
+  if (a1.a1c != '4')
+    abort();
+  if (a1.a1p[0] != '6')
+    abort();
+  if (a1.a1p[1] != '2')
+    abort();
+  if (a1.a1p[2] != '\0')
+    abort();
+
+  if (a2.a2c != 'v')
+    abort();
+  if (a2.a2p[0] != 'c')
+    abort();
+  if (a2.a2p[1] != 'q')
+    abort();
+
+  if (a3.a3c != 'o')
+    abort();
+  if (a3.a3p[0] != 'w')
+    abort();
+  if (a3.a3p[1] != 'x')
+    abort();
+
+  if (a4.a4c != '9')
+    abort();
+  if (a4.a4p[0] != 'e')
+    abort();
+  if (a4.a4p[1] != 'b')
+    abort();
+
+  return 0;
+}