implement a fixme by making warnings for ++/-- on non-modifiable-lvalues better.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59484 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/decl-expr-ambiguity.cpp b/test/SemaCXX/decl-expr-ambiguity.cpp
index 5a76b93..1d69060 100644
--- a/test/SemaCXX/decl-expr-ambiguity.cpp
+++ b/test/SemaCXX/decl-expr-ambiguity.cpp
@@ -7,8 +7,8 @@
 
   // Expressions.
   T(a)->m = 7;
-  int(a)++; // expected-error {{invalid lvalue in increment/decrement expression}}
-  __extension__ int(a)++; // expected-error {{invalid lvalue in increment/decrement expression}}
+  int(a)++; // expected-error {{expression is not assignable}}
+  __extension__ int(a)++; // expected-error {{expression is not assignable}}
   typeof(int)(a,5)<<a; // expected-error {{function-style cast to a builtin type can only take one argument}}
   void(a), ++a; // expected-warning {{statement was disambiguated as expression}} expected-warning {{expression result unused}}
   if (int(a)+1) {}