add clang

05/tcc-final-old/tests/tests2/17_enum.c

@@ -0,0 +1,72 @@
+#include <stdio.h>
+
+enum fred
+{
+   a,
+   b,
+   c,
+   d,
+   e = 54,
+   f = 73,
+   g,
+   h
+};
+
+/* All following uses of enum efoo should compile
+   without warning.  While forward enums aren't ISO C,
+   it's accepted by GCC also in strict mode, and only warned
+   about with -pedantic.  This happens in the real world.  */
+/* Strict ISO C doesn't allow this kind of forward declaration of
+   enums, but GCC accepts it (and gives only pedantic warning), and
+   it occurs in the wild.  */
+enum efoo;
+struct Sforward_use {
+    int (*fmember) (enum efoo x);
+};
+
+extern enum efoo it_real_fn(void);
+enum efoo {
+  ONE,
+  TWO,
+};
+struct S2 {
+  enum efoo (*f2) (void);
+};
+void should_compile(struct S2 *s)
+{
+  s->f2 = it_real_fn;
+}
+
+enum efoo it_real_fn(void)
+{
+  return TWO;
+}
+
+static unsigned int deref_uintptr(unsigned int *p)
+{
+  return *p;
+}
+
+enum Epositive {
+    epos_one, epos_two
+};
+
+int main()
+{
+   enum fred frod;
+   enum Epositive epos = epos_two;
+
+   printf("%d %d %d %d %d %d %d %d\n", a, b, c, d, e, f, g, h);
+   /* printf("%d\n", frod); */
+   frod = 12;
+   printf("%d\n", frod);
+   frod = e;
+   printf("%d\n", frod);
+
+   /* Following should compile without warning.  */
+   printf ("enum to int: %u\n", deref_uintptr(&epos));
+
+   return 0;
+}
+
+/* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/