1 files changed, 67 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/graphite/pr37684.c b/gcc/testsuite/gcc.dg/graphite/pr37684.c
new file mode 100644
index 000000000..ab5a68533
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/pr37684.c
@@ -0,0 +1,67 @@
+/* { dg-options "-O2 -fdump-tree-graphite-all" } */
+
+typedef struct _IO_FILE FILE;
+struct _IO_marker {
+};
+enum __codecvt_result
+{
+  __codecvt_noconv
+};
+struct _IO_FILE {
+};
+extern struct _IO_FILE *stderr;
+
+typedef
+   struct {
+      unsigned int avail_in;
+      unsigned int avail_out;
+      void *state;
+      void *(*bzalloc)(void *,int,int);
+      void *opaque;
+   }
+   bz_stream;
+extern int BZ2_bzCompressInit (
+      bz_stream* strm,
+      int blockSize100k,
+      int verbosity,
+      int workFactor
+   );
+typedef unsigned char Bool;
+typedef int Int32;
+typedef unsigned int UInt32;
+
+typedef
+   struct {
+      Int32 mode;
+      Int32 state;
+      UInt32* arr1;
+      UInt32* arr2;
+      UInt32* ftab;
+      Int32 nblock;
+      Int32 nblockMAX;
+      Bool inUse[256];
+      Int32 blockNo;
+   }
+   EState;
+
+void prepare_new_block ( EState* s )
+{
+   Int32 i;
+   for (i = 0; i < 256; i++) s->inUse[i] = ((Bool)0);
+   s->blockNo++;
+}
+
+int BZ2_bzCompressInit
+                    ( bz_stream* strm,
+                     int blockSize100k,
+                     int verbosity,
+                     int workFactor )
+{
+   EState* s;
+   s = (strm->bzalloc)(strm->opaque,(sizeof(EState)),1);
+   if (s->arr1 == ((void *)0) || s->arr2 == ((void *)0) || s->ftab == ((void *)0)) {
+   }
+   prepare_new_block ( s );
+}
+
+/* { dg-final { cleanup-tree-dump "graphite" } } */