Add the clang library to the repo (with some of my changes, too).

1 files changed, 75 insertions, 0 deletions

diff --git a/clang/test/Sema/i-c-e.c b/clang/test/Sema/i-c-e.c
new file mode 100644
index 0000000..ee61ac3
--- /dev/null
+++ b/clang/test/Sema/i-c-e.c
@@ -0,0 +1,75 @@
+// RUN: %clang %s -ffreestanding -fsyntax-only -Xclang -verify -pedantic -fpascal-strings -std=c99
+
+#include <stdint.h>
+#include <limits.h>
+
+int a() {int p; *(1 ? &p : (void*)(0 && (a(),1))) = 10;} // expected-error {{incomplete type 'void' is not assignable}}
+
+// rdar://6091492 - ?: with __builtin_constant_p as the operand is an i-c-e.
+int expr;
+char w[__builtin_constant_p(expr) ? expr : 1];
+
+char v[sizeof(__builtin_constant_p(0)) == sizeof(int) ? 1 : -1];
+
+int implicitConversion = 1.0;
+char floatArith[(int)(1.0+2.0)]; // expected-warning {{must be an integer constant expression}}
+
+// __builtin_constant_p as the condition of ?: allows arbitrary foldable
+// constants to be transmogrified into i-c-e's.
+char b[__builtin_constant_p((int)(1.0+2.0)) ? (int)(1.0+2.0) : -1];
+
+struct c {
+  int a : (
+           __builtin_constant_p((int)(1.0+2.0)) ? (int)(1.0+
+     expr // expected-error {{expression is not an integer constant expression}}
+           ) : -1);
+};
+
+
+
+
+void test1(int n, int* p) { *(n ? p : (void *)(7-7)) = 1; }
+void test2(int n, int* p) { *(n ? p : (void *)0) = 1; }
+
+
+
+char array[1024/(sizeof (long))];
+
+int x['\xBb' == (char) 187 ? 1: -1];
+
+// PR1992
+void func(int x)
+{
+  switch (x) {
+    case sizeof("abc"): break;
+    case sizeof("loooong"): func(4);
+    case sizeof("\ploooong"): func(4);
+  }
+}
+
+
+// rdar://4213768
+int expr;
+char y[__builtin_constant_p(expr) ? -1 : 1];
+char z[__builtin_constant_p(4) ? 1 : -1];
+
+// Comma tests
+int comma1[0?1,2:3];
+int comma2[1||(1,2)]; // expected-warning {{use of logical '||' with constant operand}} \
+                      // expected-note {{use '|' for a bitwise operation}}
+int comma3[(1,2)]; // expected-warning {{size of static array must be an integer constant expression}}
+
+// Pointer + __builtin_constant_p
+char pbcp[__builtin_constant_p(4) ? (intptr_t)&expr : 0]; // expected-error {{variable length array declaration not allowed at file scope}}
+
+int illegaldiv1a[1 || 1/0];
+int illegaldiv1b[1 && 1/0];  //expected-error{{variable length array declaration not allowed at file scope}}
+
+int illegaldiv2[1/0]; // expected-error {{variable length array declaration not allowed at file scope}}
+int illegaldiv3[INT_MIN / -1]; // expected-error {{variable length array declaration not allowed at file scope}}
+// PR9262
+int illegaldiv4[0 / (1 / 0)]; // expected-error {{variable length array declaration not allowed at file scope}}
+
+int chooseexpr[__builtin_choose_expr(1, 1, expr)];
+int realop[(__real__ 4) == 4 ? 1 : -1];
+int imagop[(__imag__ 4) == 0 ? 1 : -1];