Allow variadic arguments without named ones for C++, e.g. "void(...);"
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57143 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index c22d9e8..3017da4 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -1233,6 +1233,7 @@
// paren, because we haven't seen the identifier yet.
isGrouping = true;
} else if (Tok.is(tok::r_paren) || // 'int()' is a function.
+ (getLang().CPlusPlus && Tok.is(tok::ellipsis)) || // C++ int(...)
isDeclarationSpecifier()) { // 'int(int)' is a function.
// This handles C99 6.7.5.3p11: in "typedef int X; void foo(X)", X is
// considered to be a type, not a K&R identifier-list.
@@ -1326,7 +1327,7 @@
IsVariadic = true;
// Check to see if this is "void(...)" which is not allowed.
- if (ParamInfo.empty()) {
+ if (!getLang().CPlusPlus && ParamInfo.empty()) {
// Otherwise, parse parameter type list. If it starts with an
// ellipsis, diagnose the malformed function.
Diag(Tok, diag::err_ellipsis_first_arg);
diff --git a/test/Parser/cxx-variadic-func.cpp b/test/Parser/cxx-variadic-func.cpp
new file mode 100644
index 0000000..0ef8684
--- /dev/null
+++ b/test/Parser/cxx-variadic-func.cpp
@@ -0,0 +1,5 @@
+// RUN: clang -fsyntax-only %s
+
+void f(...) {
+ int g(int(...));
+}