Add support for C++ default arguments, and rework Parse-Sema
interaction for function parameters, fixing PR2046.
Patch by Doug Gregor!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49369 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/default1.cpp b/test/Sema/default1.cpp
new file mode 100644
index 0000000..fe019c8
--- /dev/null
+++ b/test/Sema/default1.cpp
@@ -0,0 +1,17 @@
+// RUN: clang -fsyntax-only -verify %s
+void f(int i);
+void f(int i = 0); // expected-error {{previous definition is here}}
+void f(int i = 17); // expected-error {{redefinition of default argument}}
+
+
+void g(int i, int j, int k = 3);
+void g(int i, int j = 2, int k);
+void g(int i = 1, int j, int k);
+
+void h(int i, int j = 2, int k = 3,
+ int l, // expected-error {{missing default argument on parameter 'l'}}
+ int, // expected-error {{missing default argument on parameter}}
+ int n);// expected-error {{missing default argument on parameter 'n'}}
+
+struct S { } s;
+void i(int = s) { } // expected-error {{incompatible type}}