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authordim <dim@FreeBSD.org>2012-04-14 14:01:31 +0000
committerdim <dim@FreeBSD.org>2012-04-14 14:01:31 +0000
commit50b73317314e889cf39c7b1d6cbf419fa7502f22 (patch)
treebe1815eb79b42ff482a8562b13c2dcbf0c5dcbee /test/CXX/expr/expr.prim/expr.prim.lambda/p4.cpp
parentdc04cb328508e61aad809d9b53b12f9799a00e7d (diff)
downloadFreeBSD-src-50b73317314e889cf39c7b1d6cbf419fa7502f22.zip
FreeBSD-src-50b73317314e889cf39c7b1d6cbf419fa7502f22.tar.gz
Vendor import of clang trunk r154661:
http://llvm.org/svn/llvm-project/cfe/trunk@r154661
Diffstat (limited to 'test/CXX/expr/expr.prim/expr.prim.lambda/p4.cpp')
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1 files changed, 51 insertions, 0 deletions
diff --git a/test/CXX/expr/expr.prim/expr.prim.lambda/p4.cpp b/test/CXX/expr/expr.prim/expr.prim.lambda/p4.cpp
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+++ b/test/CXX/expr/expr.prim/expr.prim.lambda/p4.cpp
@@ -0,0 +1,51 @@
+// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
+
+void missing_lambda_declarator() {
+ [](){}();
+}
+
+template<typename T> T get();
+
+void infer_void_return_type(int i) {
+ if (i > 17)
+ return []() { }();
+
+ if (i > 11)
+ return []() { return; }();
+
+ return [](int x) {
+ switch (x) {
+ case 0: return get<void>();
+ case 1: return;
+ case 2: return { 1, 2.0 }; // expected-error{{cannot deduce lambda return type from initializer list}}
+ }
+ }(7);
+}
+
+struct X { };
+
+X infer_X_return_type(X x) {
+ return [&x](int y) { // expected-warning{{omitted result type}}
+ if (y > 0)
+ return X();
+ else
+ return x;
+ }(5);
+}
+
+X infer_X_return_type_fail(X x) {
+ return [x](int y) { // expected-warning{{omitted result type}}
+ if (y > 0)
+ return X();
+ else
+ return x; // expected-error{{return type 'const X' must match previous return type 'X' when lambda expression has unspecified explicit return type}}
+ }(5);
+}
+
+struct Incomplete; // expected-note{{forward declaration of 'Incomplete'}}
+void test_result_type(int N) {
+ auto l1 = [] () -> Incomplete { }; // expected-error{{incomplete result type 'Incomplete' in lambda expression}}
+
+ typedef int vla[N];
+ auto l2 = [] () -> vla { }; // expected-error{{function cannot return array type 'vla' (aka 'int [N]')}}
+}
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