Allow CorrectTypo to add/modify nested name qualifiers to typos that

are otherwise too short to try to correct.

The TODOs added to two of the tests are for existing deficiencies in the
typo correction code that could be exposed by using longer identifiers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158109 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 18 insertions, 2 deletions

diff --git a/test/SemaCXX/nested-name-spec.cpp b/test/SemaCXX/nested-name-spec.cpp
index b317634844..d57a8523bb 100644
--- a/test/SemaCXX/nested-name-spec.cpp
+++ b/test/SemaCXX/nested-name-spec.cpp
@@ -113,7 +113,8 @@ namespace E {
       X = 0
     };
 
-    void f() {
+    void f() { // expected-note{{'E::Nested::f' declared here}} \
+               // expected-note{{previous definition is here}}
       return E::X; // expected-error{{expected a class or namespace}}
     }
   }
@@ -143,7 +144,10 @@ namespace A {
   void g(int&); // expected-note{{type of 1st parameter of member declaration does not match definition ('int &' vs 'const int &')}}
 } 
 
-void A::f() {} // expected-error{{out-of-line definition of 'f' does not match any declaration in namespace 'A'}}
+// TODO: Suppress the typo correction for an invalid redeclaration if the chosen
+// correction is a function that already has a body.
+void A::f() {} // expected-error{{out-of-line definition of 'f' does not match any declaration in namespace 'A'; did you mean 'E::Nested::f'?}} \
+               // expected-error{{redefinition of 'f'}}
 
 void A::g(const int&) { } // expected-error{{out-of-line definition of 'g' does not match any declaration in namespace 'A'}}
 
@@ -286,3 +290,15 @@ protected:
 template <typename T>
 struct A2<T>::B::C; // expected-error {{no struct named 'C'}}
 }
+
+namespace PR13033 {
+namespace NS {
+ int a; // expected-note {{'NS::a' declared here}}
+ int longer_b; //expected-note {{'NS::longer_b' declared here}}
+}
+
+// Suggest adding a namespace qualifier to both variable names even though one
+// is only a single character long.
+int foobar = a + longer_b; // expected-error {{use of undeclared identifier 'a'; did you mean 'NS::a'?}} \
+                           // expected-error {{use of undeclared identifier 'longer_b'; did you mean 'NS::longer_b'?}}
+}