1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/20060109-1.c b/gcc/testsuite/gcc.c-torture/compile/20060109-1.c
new file mode 100644
index 000000000..9ef9c2fdd
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20060109-1.c
@@ -0,0 +1,36 @@
+/* This test exposed a bug in combine where it was improperly changing
+   the mode of a register.  The bug appeared to be latent until web
+   was moved after combine.  This is the reduced test that fails 
+   by crashing in reload.  */
+
+
+typedef struct cpp_reader cpp_reader;
+typedef struct cpp_string cpp_string;
+struct cpp_string
+{
+  unsigned int len;
+  const unsigned char *text;
+};
+struct cpp_callbacks
+{
+  void (*ident) (cpp_reader *, unsigned int, const cpp_string *);
+};
+static void cb_ident (cpp_reader *, unsigned int, const cpp_string *);
+init_c_lex (void)
+{
+  struct cpp_callbacks *cb;
+  cb->ident = cb_ident;
+}
+cb_ident (cpp_reader * pfile __attribute__ ((__unused__)), unsigned int
+line
+          __attribute__ ((__unused__)), const cpp_string * str
+          __attribute__ ((__unused__)))
+{
+  {
+    cpp_string cstr = {
+    };
+    if (cpp_interpret_string (pfile, str, 1, &cstr, 0))
+      {
+      }
+  }
+}