Index: include/clang/AST/Decl.h
===================================================================
--- include/clang/AST/Decl.h
+++ include/clang/AST/Decl.h
@@ -2019,6 +2019,10 @@
   /// limited representation in the AST.
   SourceRange getReturnTypeSourceRange() const;
 
+  /// \brief Attempt to compute an informative source range covering the
+  /// function exception specification, if any.
+  SourceRange getExceptionSpecSourceRange() const;
+
   /// \brief Determine the type of an expression that calls this function.
   QualType getCallResultType() const {
     assert(getType()->getAs<FunctionType>() && "Expected a FunctionType!");
Index: include/clang/AST/TypeLoc.h
===================================================================
--- include/clang/AST/TypeLoc.h
+++ include/clang/AST/TypeLoc.h
@@ -1248,6 +1248,7 @@
   SourceLocation LocalRangeBegin;
   SourceLocation LParenLoc;
   SourceLocation RParenLoc;
+  SourceRange ExceptionSpecRange;
   SourceLocation LocalRangeEnd;
 };
 
@@ -1289,6 +1290,13 @@
     return SourceRange(getLParenLoc(), getRParenLoc());
   }
 
+  SourceRange getExceptionSpecRange() const {
+    return this->getLocalData()->ExceptionSpecRange;
+  }
+  void setExceptionSpecRange(SourceRange R) {
+    this->getLocalData()->ExceptionSpecRange = R;
+  }
+
   ArrayRef<ParmVarDecl *> getParams() const {
     return llvm::makeArrayRef(getParmArray(), getNumParams());
   }
@@ -1318,6 +1326,7 @@
     setLocalRangeBegin(Loc);
     setLParenLoc(Loc);
     setRParenLoc(Loc);
+    setExceptionSpecRange(SourceRange(Loc));
     setLocalRangeEnd(Loc);
     for (unsigned i = 0, e = getNumParams(); i != e; ++i)
       setParam(i, nullptr);
Index: lib/AST/Decl.cpp
===================================================================
--- lib/AST/Decl.cpp
+++ lib/AST/Decl.cpp
@@ -2935,6 +2935,18 @@
   return RTRange;
 }
 
+SourceRange FunctionDecl::getExceptionSpecSourceRange() const {
+  const TypeSourceInfo *TSI = getTypeSourceInfo();
+  if (!TSI)
+    return SourceRange();
+  FunctionTypeLoc FTL =
+    TSI->getTypeLoc().IgnoreParens().getAs<FunctionTypeLoc>();
+  if (!FTL)
+    return SourceRange();
+
+  return FTL.getExceptionSpecRange();
+}
+
 const Attr *FunctionDecl::getUnusedResultAttr() const {
   QualType RetType = getReturnType();
   if (RetType->isRecordType()) {
Index: lib/Sema/SemaType.cpp
===================================================================
--- lib/Sema/SemaType.cpp
+++ lib/Sema/SemaType.cpp
@@ -5065,7 +5065,7 @@
         ParmVarDecl *Param = cast<ParmVarDecl>(FTI.Params[i].Param);
         TL.setParam(tpi++, Param);
       }
-      // FIXME: exception specs
+      TL.setExceptionSpecRange(FTI.getExceptionSpecRange());
     }
     void VisitParenTypeLoc(ParenTypeLoc TL) {
       assert(Chunk.Kind == DeclaratorChunk::Paren);
Index: lib/Sema/TreeTransform.h
===================================================================
--- lib/Sema/TreeTransform.h
+++ lib/Sema/TreeTransform.h
@@ -4919,6 +4919,7 @@
   NewTL.setLocalRangeBegin(TL.getLocalRangeBegin());
   NewTL.setLParenLoc(TL.getLParenLoc());
   NewTL.setRParenLoc(TL.getRParenLoc());
+  NewTL.setExceptionSpecRange(TL.getExceptionSpecRange());
   NewTL.setLocalRangeEnd(TL.getLocalRangeEnd());
   for (unsigned i = 0, e = NewTL.getNumParams(); i != e; ++i)
     NewTL.setParam(i, ParamDecls[i]);
Index: lib/Serialization/ASTReader.cpp
===================================================================
--- lib/Serialization/ASTReader.cpp
+++ lib/Serialization/ASTReader.cpp
@@ -5812,6 +5812,8 @@
   TL.setLocalRangeBegin(ReadSourceLocation(Record, Idx));
   TL.setLParenLoc(ReadSourceLocation(Record, Idx));
   TL.setRParenLoc(ReadSourceLocation(Record, Idx));
+  TL.setExceptionSpecRange(SourceRange(ReadSourceLocation(Record, Idx),
+                                       ReadSourceLocation(Record, Idx)));
   TL.setLocalRangeEnd(ReadSourceLocation(Record, Idx));
   for (unsigned i = 0, e = TL.getNumParams(); i != e; ++i) {
     TL.setParam(i, ReadDeclAs<ParmVarDecl>(Record, Idx));
Index: lib/Serialization/ASTWriter.cpp
===================================================================
--- lib/Serialization/ASTWriter.cpp
+++ lib/Serialization/ASTWriter.cpp
@@ -572,6 +572,7 @@
   Record.AddSourceLocation(TL.getLocalRangeBegin());
   Record.AddSourceLocation(TL.getLParenLoc());
   Record.AddSourceLocation(TL.getRParenLoc());
+  Record.AddSourceRange(TL.getExceptionSpecRange());
   Record.AddSourceLocation(TL.getLocalRangeEnd());
   for (unsigned i = 0, e = TL.getNumParams(); i != e; ++i)
     Record.AddDeclRef(TL.getParam(i));