From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001
From: "Zancanaro; Carlo" <czan8762@plang3.cs.usyd.edu.au>
Date: Mon, 24 Sep 2012 09:58:17 +1000
Subject: Add the clang library to the repo (with some of my changes, too).

---
 clang/test/Sema/warn-char-subscripts.c | 64 ++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 clang/test/Sema/warn-char-subscripts.c

(limited to 'clang/test/Sema/warn-char-subscripts.c')

diff --git a/clang/test/Sema/warn-char-subscripts.c b/clang/test/Sema/warn-char-subscripts.c
new file mode 100644
index 0000000..374a609
--- /dev/null
+++ b/clang/test/Sema/warn-char-subscripts.c
@@ -0,0 +1,64 @@
+// RUN: %clang_cc1 -Wchar-subscripts -fsyntax-only -verify %s
+
+void t1() {
+  int array[1] = { 0 };
+  char subscript = 0;
+  int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
+}
+
+void t2() {
+  int array[1] = { 0 };
+  char subscript = 0;
+  int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}
+}
+
+void t3() {
+  int *array = 0;
+  char subscript = 0;
+  int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
+}
+
+void t4() {
+  int *array = 0;
+  char subscript = 0;
+  int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}
+}
+
+char returnsChar();
+void t5() {
+  int *array = 0;
+  int val = array[returnsChar()]; // expected-warning{{array subscript is of type 'char'}}
+}
+
+void t6() {
+  int array[1] = { 0 };
+  signed char subscript = 0;
+  int val = array[subscript]; // no warning for explicit signed char
+}
+
+void t7() {
+  int array[1] = { 0 };
+  unsigned char subscript = 0;
+  int val = array[subscript]; // no warning for unsigned char
+}
+
+typedef char CharTy;
+void t8() {
+  int array[1] = { 0 };
+  CharTy subscript = 0;
+  int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
+}
+
+typedef signed char SignedCharTy;
+void t9() {
+  int array[1] = { 0 };
+  SignedCharTy subscript = 0;
+  int val = array[subscript]; // no warning for explicit signed char
+}
+
+typedef unsigned char UnsignedCharTy;
+void t10() {
+  int array[1] = { 0 };
+  UnsignedCharTy subscript = 0;
+  int val = array[subscript]; // no warning for unsigned char
+}
-- 
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