From: Erik Pilkington <erik.pilkington@gmail.com>
Date: Tue, 30 Jul 2019 19:21:20 +0000 (+0000)
Subject: [Parser] Lambda capture lists can start with '*'
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9721cbc526fc140a7e4463434271e95dc59a4640;p=clang

[Parser] Lambda capture lists can start with '*'

Fixes llvm.org/PR42778

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@367346 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Parse/ParseInit.cpp b/lib/Parse/ParseInit.cpp
index 7a455484b9..769140f2d3 100644
--- a/lib/Parse/ParseInit.cpp
+++ b/lib/Parse/ParseInit.cpp
@@ -45,6 +45,7 @@ bool Parser::MayBeDesignationStart() {
 
     case tok::amp:
     case tok::kw_this:
+    case tok::star:
     case tok::identifier:
       // We have to do additional analysis, because these could be the
       // start of a constant expression or a lambda capture list.
diff --git a/test/Parser/cxx0x-lambda-expressions.cpp b/test/Parser/cxx0x-lambda-expressions.cpp
index b297d7356c..2acd8144b7 100644
--- a/test/Parser/cxx0x-lambda-expressions.cpp
+++ b/test/Parser/cxx0x-lambda-expressions.cpp
@@ -126,6 +126,19 @@ void PR22122() {
 
 template void PR22122<int>();
 
+namespace PR42778 {
+struct A {
+  template <class F> A(F&&) {}
+};
+
+struct S {
+  void mf() { A{[*this]{}}; }
+#if __cplusplus < 201703L
+  // expected-warning@-2 {{C++17 extension}}
+#endif
+};
+}
+
 struct S {
   template <typename T>
   void m (T x =[0); // expected-error{{expected variable name or 'this' in lambda capture list}}