PR11297: Provide a better diagnostic for code which contains a

reasonable-looking but ill-formed for-range statement of the form:

  for (expression : expression)


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147006 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 30 insertions, 0 deletions

diff --git a/test/Parser/cxx0x-for-range.cpp b/test/Parser/cxx0x-for-range.cpp
new file mode 100644
index 0000000000..f920ef9085
--- /dev/null
+++ b/test/Parser/cxx0x-for-range.cpp
@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
+
+template<typename T, typename U>
+struct pair {};
+
+template<typename T, typename U>
+struct map {
+  typedef pair<T,U> *iterator;
+  iterator begin();
+  iterator end();
+};
+
+template<typename T, typename U>
+pair<T,U> &tie(T &, U &);
+
+int foo(map<char*,int> &m) {
+  char *p;
+  int n;
+
+  for (pair<char*,int> x : m) {
+    (void)x;
+  }
+
+  for (tie(p, n) : m) { // expected-error {{for range declaration must declare a variable}}
+    (void)p;
+    (void)n;
+  }
+
+  return n;
+}