1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/pr44328.C b/gcc/testsuite/g++.dg/pr44328.C
new file mode 100644
index 000000000..bbfe23334
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr44328.C
@@ -0,0 +1,39 @@
+/* { dg-do compile } */
+/* { dg-options "-c -O2 -Wextra" } */
+#define O_RDONLY     (1<<0)
+#define O_WRONLY     (1<<1)
+#define O_RDWR       (O_RDONLY|O_WRONLY)
+#define O_CREAT      (1<<3)
+#define O_TRUNC      (1<<6)
+
+typedef enum {
+    OM_READ = 0,
+    OM_WRITE,
+    OM_READWRITE_NOCREATE,
+    OM_READWRITE_CREATE
+} OpenMode;
+
+extern int open(const char *name, int mode);
+
+void open_file(const char *filename, const OpenMode rw)
+{
+    int mode = 0;
+
+    switch( rw )
+    {
+    case OM_WRITE:
+        mode = O_WRONLY|O_CREAT|O_TRUNC;
+        break;
+    case OM_READ:
+        mode = O_RDONLY;
+        break;
+    case OM_READWRITE_NOCREATE:
+        mode = O_RDWR;
+        break;
+    case OM_READWRITE_CREATE:
+        mode = O_RDWR|O_CREAT|O_TRUNC;
+        break;
+    }
+
+    open( filename, mode );
+}