When computing the type of a local variable reference within a lambda,

only add 'const' for variables captured by copy in potentially
evaluated expressions of non-mutable lambdas. (The "by copy" part was
missing).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150088 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 35 insertions, 2 deletions

diff --git a/test/CXX/expr/expr.prim/expr.prim.lambda/p7.cpp b/test/CXX/expr/expr.prim/expr.prim.lambda/p7.cpp
index 239b6d4f46..0696f603b6 100644
--- a/test/CXX/expr/expr.prim/expr.prim.lambda/p7.cpp
+++ b/test/CXX/expr/expr.prim/expr.prim.lambda/p7.cpp
@@ -6,7 +6,40 @@ void analysis_based_warnings() {
   // expected-error{{lambda expressions are not supported yet}}
 }
 
-// FIXME: Also check translation of captured vars to data members,
-// most of which isn't in the AST.
+// Check that we get the right types of captured variables (the semantic-analysis part of 
+int &check_const_int(int&);
+float &check_const_int(const int&);
+
+void test_capture_constness(int i, const int ic) {
+  [i,ic] ()->void { // expected-error{{lambda expressions are not supported yet}}
+    float &fr1 = check_const_int(i);
+    float &fr2 = check_const_int(ic);
+  }; 
+
+  [=] ()->void { // expected-error{{lambda expressions are not supported yet}}
+    float &fr1 = check_const_int(i);
+    float &fr2 = check_const_int(ic);
+  }; 
+
+  [i,ic] () mutable ->void { // expected-error{{lambda expressions are not supported yet}}
+    int &ir = check_const_int(i);
+    float &fr = check_const_int(ic);
+  };
+
+  [=] () mutable ->void { // expected-error{{lambda expressions are not supported yet}}
+    int &ir = check_const_int(i);
+    float &fr = check_const_int(ic);
+  };
+
+  [&i,&ic] ()->void { // expected-error{{lambda expressions are not supported yet}}
+    int &ir = check_const_int(i);
+    float &fr = check_const_int(ic);
+  };
+
+  [&] ()->void { // expected-error{{lambda expressions are not supported yet}}
+    int &ir = check_const_int(i);
+    float &fr = check_const_int(ic);
+  };
+}