1 files changed, 121 insertions, 0 deletions
diff --git a/clang/test/Sema/enum.c b/clang/test/Sema/enum.c
new file mode 100644
index 0000000..fc2b491
--- /dev/null
+++ b/clang/test/Sema/enum.c
@@ -0,0 +1,121 @@
+// RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic
+enum e {A, 
+        B = 42LL << 32,        // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
+      C = -4, D = 12456 };
+
+enum f { a = -2147483648, b = 2147483647 }; // ok.
+
+enum g {  // too negative
+   c = -2147483649,         // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
+   d = 2147483647 };
+enum h { e = -2147483648, // too pos
+   f = 2147483648,           // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
+  i = 0xFFFF0000 // expected-warning {{too large}}
+}; 
+
+// minll maxull
+enum x                      // expected-warning {{enumeration values exceed range of largest integer}}
+{ y = -9223372036854775807LL-1,  // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
+z = 9223372036854775808ULL };    // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
+
+int test() {
+  return sizeof(enum e) ;
+}
+
+enum gccForwardEnumExtension ve; // expected-warning{{ISO C forbids forward references to 'enum' types}} \
+// expected-error{{tentative definition has type 'enum gccForwardEnumExtension' that is never completed}} \
+// expected-note{{forward declaration of 'enum gccForwardEnumExtension'}}
+
+int test2(int i)
+{
+  ve + i; // expected-error{{invalid operands to binary expression}}
+}
+
+// PR2020
+union u0;    // expected-note {{previous use is here}}
+enum u0 { U0A }; // expected-error {{use of 'u0' with tag type that does not match previous declaration}}
+
+
+// rdar://6095136
+extern enum some_undefined_enum ve2; // expected-warning {{ISO C forbids forward references to 'enum' types}}
+
+void test4() {
+  for (; ve2;) // expected-error {{statement requires expression of scalar type}}
+    ;
+  (_Bool)ve2;  // expected-error {{arithmetic or pointer type is required}}
+
+  for (; ;ve2) // expected-warning {{expression result unused}}
+    ;
+  (void)ve2;
+  ve2;         // expected-warning {{expression result unused}}
+}
+
+// PR2416
+enum someenum {};  // expected-error {{use of empty enum}}
+
+// <rdar://problem/6093889>
+enum e0 { // expected-note {{previous definition is here}}
+  E0 = sizeof(enum e0 { E1 }), // expected-error {{nested redefinition}}
+};
+
+// PR3173
+enum { PR3173A, PR3173B = PR3173A+50 };
+
+// PR2753
+void foo() {
+  enum xpto; // expected-warning{{ISO C forbids forward references to 'enum' types}}
+  enum xpto; // expected-warning{{ISO C forbids forward references to 'enum' types}}
+}
+
+// <rdar://problem/6503878>
+typedef enum { X = 0 }; // expected-warning{{typedef requires a name}}
+
+
+enum NotYetComplete { // expected-note{{definition of 'enum NotYetComplete' is not complete until the closing '}'}}
+  NYC1 = sizeof(enum NotYetComplete) // expected-error{{invalid application of 'sizeof' to an incomplete type 'enum NotYetComplete'}}
+};
+
+/// PR3688
+struct s1 {
+  enum e1 (*bar)(void); // expected-warning{{ISO C forbids forward references to 'enum' types}}
+};
+
+enum e1 { YES, NO };
+
+static enum e1 badfunc(struct s1 *q) {
+  return q->bar();
+}
+
+
+// Make sure we don't a.k.a. anonymous enums.
+typedef enum {
+  an_enumerator = 20
+} an_enum;
+char * s = (an_enum) an_enumerator; // expected-warning {{incompatible integer to pointer conversion initializing 'char *' with an expression of type 'an_enum'}}
+
+// PR4515
+enum PR4515 {PR4515a=1u,PR4515b=(PR4515a-2)/2};
+int CheckPR4515[PR4515b==0?1:-1];
+
+// PR7911
+extern enum PR7911T PR7911V; // expected-warning{{ISO C forbids forward references to 'enum' types}}
+void PR7911F() {
+  switch (PR7911V); // expected-error {{statement requires expression of integer type}}
+}
+
+char test5[__has_feature(enumerator_attributes) ? 1 : -1];
+
+// PR8694
+// rdar://8707031
+void PR8694(int* e) // expected-note {{passing argument to parameter 'e' here}}
+{
+}
+
+void crash(enum E* e) // expected-warning {{declaration of 'enum E' will not be visible outside of this function}} \
+                      // expected-warning {{ISO C forbids forward references to 'enum' types}}
+{
+        PR8694(e); // expected-warning {{incompatible pointer types passing 'enum E *' to parameter of type 'int *'}}
+}
+
+typedef enum { NegativeShort = (short)-1 } NegativeShortEnum;
+int NegativeShortTest[NegativeShort == -1 ? 1 : -1];