Modify DeclaratorChuck::getFunction to be passed an Exception Specification SourceRange

Summary:
- Store the exception specification range's begin and end SourceLocation in DeclaratorChuck::FunctionTypeInfo. These SourceLocations can be used in a FixItHint Range.
- Add diagnostic; function concept having an exception specification.


Reviewers: hubert.reinterpretcast, fraggamuffin, faisalv, aaron.ballman, rsmith

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D11789

llvm-svn: 246005
diff --git a/clang/lib/Parse/ParseExpr.cpp b/clang/lib/Parse/ParseExpr.cpp
index ed8073a..5269047 100644
--- a/clang/lib/Parse/ParseExpr.cpp
+++ b/clang/lib/Parse/ParseExpr.cpp
@@ -2768,7 +2768,7 @@
                                              /*RestrictQualifierLoc=*/NoLoc,
                                              /*MutableLoc=*/NoLoc,
                                              EST_None,
-                                             /*ESpecLoc=*/NoLoc,
+                                             /*ESpecRange=*/SourceRange(),
                                              /*Exceptions=*/nullptr,
                                              /*ExceptionRanges=*/nullptr,
                                              /*NumExceptions=*/0,