r253726 - [coroutines] Support braced-init-list as operand of co_yield expression.

[Richard Smith via cfe-commits]

Author: rsmith
Date: Fri Nov 20 16:47:10 2015
New Revision: 253726

URL: http://llvm.org/viewvc/llvm-project?rev=253726&view=rev
Log:
[coroutines] Support braced-init-list as operand of co_yield expression.

Modified:
    cfe/trunk/lib/Parse/ParseExprCXX.cpp
    cfe/trunk/test/SemaCXX/coroutines.cpp

Modified: cfe/trunk/lib/Parse/ParseExprCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Parse/ParseExprCXX.cpp?rev=253726&r1=253725&r2=253726&view=diff
==============================================================================
--- cfe/trunk/lib/Parse/ParseExprCXX.cpp (original)
+++ cfe/trunk/lib/Parse/ParseExprCXX.cpp Fri Nov 20 16:47:10 2015
@@ -1568,7 +1568,8 @@ ExprResult Parser::ParseCoyieldExpressio
   assert(Tok.is(tok::kw_co_yield) && "Not co_yield!");
 
   SourceLocation Loc = ConsumeToken();
-  ExprResult Expr = ParseAssignmentExpression();
+  ExprResult Expr = Tok.is(tok::l_brace) ? ParseBraceInitializer()
+                                         : ParseAssignmentExpression();
   if (!Expr.isInvalid())
     Expr = Actions.ActOnCoyieldExpr(getCurScope(), Loc, Expr.get());
   return Expr;

Modified: cfe/trunk/test/SemaCXX/coroutines.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/coroutines.cpp?rev=253726&r1=253725&r2=253726&view=diff
==============================================================================
--- cfe/trunk/test/SemaCXX/coroutines.cpp (original)
+++ cfe/trunk/test/SemaCXX/coroutines.cpp Fri Nov 20 16:47:10 2015
@@ -44,7 +44,7 @@ void undefined_promise() { // expected-e
   co_await a;
 }
 
-struct yielded_thing { int a, b, c; const char *p; };
+struct yielded_thing { const char *p; short a, b; };
 
 struct promise {
   awaitable yield_value(int); // expected-note {{candidate}}
@@ -53,7 +53,10 @@ struct promise {
 
 void yield() {
   co_yield 0;
-  co_yield {1, 2, 3, "foo"}; // FIXME expected-error {{expected expression}}
+  co_yield {"foo", 1, 2};
+  co_yield {1e100}; // expected-error {{cannot be narrowed}} expected-note {{explicit cast}} expected-warning {{changes value}} expected-warning {{braces around scalar}}
+  co_yield {"foo", __LONG_LONG_MAX__}; // expected-error {{cannot be narrowed}} expected-note {{explicit cast}} expected-warning {{changes value}}
+  co_yield {"foo"};
   co_yield "foo"; // expected-error {{no matching}}
 }