Index: clang/lib/AST/ExprConstant.cpp
===================================================================
--- clang/lib/AST/ExprConstant.cpp
+++ clang/lib/AST/ExprConstant.cpp
@@ -551,8 +551,8 @@
     /// Temporaries - Temporary lvalues materialized within this stack frame.
     MapTy Temporaries;
 
-    /// CallLoc - The location of the call expression for this call.
-    SourceLocation CallLoc;
+    /// The location of the call expression for this call.
+    SourceRange CallRange;
 
     /// Index - The call index of this call.
     unsigned Index;
@@ -586,7 +586,7 @@
     llvm::DenseMap<const ValueDecl *, FieldDecl *> LambdaCaptureFields;
     FieldDecl *LambdaThisCaptureField = nullptr;
 
-    CallStackFrame(EvalInfo &Info, SourceLocation CallLoc,
+    CallStackFrame(EvalInfo &Info, SourceRange CallRange,
                    const FunctionDecl *Callee, const LValue *This,
                    const Expr *CallExpr, CallRef Arguments);
     ~CallStackFrame();
@@ -630,7 +630,7 @@
     void describe(llvm::raw_ostream &OS) const override;
 
     Frame *getCaller() const override { return Caller; }
-    SourceLocation getCallLocation() const override { return CallLoc; }
+    SourceRange getCallRange() const override { return CallRange; }
     const FunctionDecl *getCallee() const override { return Callee; }
 
     bool isStdFunction() const {
@@ -1468,11 +1468,11 @@
   setInvalid();
 }
 
-CallStackFrame::CallStackFrame(EvalInfo &Info, SourceLocation CallLoc,
+CallStackFrame::CallStackFrame(EvalInfo &Info, SourceRange CallRange,
                                const FunctionDecl *Callee, const LValue *This,
                                const Expr *CallExpr, CallRef Call)
     : Info(Info), Caller(Info.CurrentCall), Callee(Callee), This(This),
-      CallExpr(CallExpr), Arguments(Call), CallLoc(CallLoc),
+      CallExpr(CallExpr), Arguments(Call), CallRange(CallRange),
       Index(Info.NextCallIndex++) {
   Info.CurrentCall = this;
   ++Info.CallStackDepth;
@@ -6225,15 +6225,15 @@
 }
 
 /// Evaluate a function call.
-static bool HandleFunctionCall(SourceLocation CallLoc,
+static bool HandleFunctionCall(SourceRange CallRange,
                                const FunctionDecl *Callee, const LValue *This,
                                const Expr *E, ArrayRef<const Expr *> Args,
                                CallRef Call, const Stmt *Body, EvalInfo &Info,
                                APValue &Result, const LValue *ResultSlot) {
-  if (!Info.CheckCallLimit(CallLoc))
+  if (!Info.CheckCallLimit(CallRange.getBegin()))
     return false;
 
-  CallStackFrame Frame(Info, CallLoc, Callee, This, E, Call);
+  CallStackFrame Frame(Info, CallRange, Callee, This, E, Call);
 
   // For a trivial copy or move assignment, perform an APValue copy. This is
   // essential for unions, where the operations performed by the assignment
@@ -7871,8 +7871,8 @@
     Stmt *Body = FD->getBody(Definition);
 
     if (!CheckConstexprFunction(Info, E->getExprLoc(), FD, Definition, Body) ||
-        !HandleFunctionCall(E->getExprLoc(), Definition, This, E, Args, Call,
-                            Body, Info, Result, ResultSlot))
+        !HandleFunctionCall(E->getSourceRange(), Definition, This, E, Args,
+                            Call, Body, Info, Result, ResultSlot))
       return false;
 
     if (!CovariantAdjustmentPath.empty() &&
@@ -12145,8 +12145,9 @@
           Callee->getIdentifier()->isStr("is_constant_evaluated")))) {
       // FIXME: Find a better way to avoid duplicated diagnostics.
       if (Info.EvalStatus.Diag)
-        Info.report((Info.CallStackDepth == 1) ? E->getExprLoc()
-                                               : Info.CurrentCall->CallLoc,
+        Info.report((Info.CallStackDepth == 1)
+                        ? E->getExprLoc()
+                        : Info.CurrentCall->CallRange.getBegin(),
                     diag::warn_is_constant_evaluated_always_true_constexpr)
             << (Info.CallStackDepth == 1 ? "__builtin_is_constant_evaluated"
                                          : "std::is_constant_evaluated");
@@ -16286,7 +16287,7 @@
   Info.EvalStatus.HasSideEffects = false;
 
   // Build fake call to Callee.
-  CallStackFrame Frame(Info, Callee->getLocation(), Callee, ThisPtr, This,
+  CallStackFrame Frame(Info, Callee->getSourceRange(), Callee, ThisPtr, This,
                        Call);
   // FIXME: Missing ExprWithCleanups in enable_if conditions?
   FullExpressionRAII Scope(Info);
@@ -16367,7 +16368,7 @@
   Info.CheckingPotentialConstantExpression = true;
 
   // Fabricate a call stack frame to give the arguments a plausible cover story.
-  CallStackFrame Frame(Info, SourceLocation(), FD, /*This=*/nullptr,
+  CallStackFrame Frame(Info, SourceRange(), FD, /*This=*/nullptr,
                        /*CallExpr=*/nullptr, CallRef());
 
   APValue ResultScratch;
Index: clang/lib/AST/Interp/Frame.h
===================================================================
--- clang/lib/AST/Interp/Frame.h
+++ clang/lib/AST/Interp/Frame.h
@@ -33,7 +33,7 @@
   virtual Frame *getCaller() const = 0;
 
   /// Returns the location of the call site.
-  virtual SourceLocation getCallLocation() const = 0;
+  virtual SourceRange getCallRange() const = 0;
 
   /// Returns the called function's declaration.
   virtual const FunctionDecl *getCallee() const = 0;
Index: clang/lib/AST/Interp/InterpFrame.h
===================================================================
--- clang/lib/AST/Interp/InterpFrame.h
+++ clang/lib/AST/Interp/InterpFrame.h
@@ -56,7 +56,7 @@
   Frame *getCaller() const override;
 
   /// Returns the location of the call to the frame.
-  SourceLocation getCallLocation() const override;
+  SourceRange getCallRange() const override;
 
   /// Returns the caller.
   const FunctionDecl *getCallee() const override;
Index: clang/lib/AST/Interp/InterpFrame.cpp
===================================================================
--- clang/lib/AST/Interp/InterpFrame.cpp
+++ clang/lib/AST/Interp/InterpFrame.cpp
@@ -176,10 +176,10 @@
   return S.getSplitFrame();
 }
 
-SourceLocation InterpFrame::getCallLocation() const {
+SourceRange InterpFrame::getCallRange() const {
   if (!Caller->Func)
-    return S.getLocation(nullptr, {});
-  return S.getLocation(Caller->Func, RetPC - sizeof(uintptr_t));
+    return S.getRange(nullptr, {});
+  return S.getRange(Caller->Func, RetPC - sizeof(uintptr_t));
 }
 
 const FunctionDecl *InterpFrame::getCallee() const {
Index: clang/lib/AST/Interp/State.cpp
===================================================================
--- clang/lib/AST/Interp/State.cpp
+++ clang/lib/AST/Interp/State.cpp
@@ -129,13 +129,13 @@
   const Frame *Top = getCurrentFrame();
   const Frame *Bottom = getBottomFrame();
   for (const Frame *F = Top; F != Bottom; F = F->getCaller(), ++CallIdx) {
-    SourceLocation CallLocation = F->getCallLocation();
+    SourceRange CallRange = F->getCallRange();
 
     // Skip this call?
     if (CallIdx >= SkipStart && CallIdx < SkipEnd) {
       if (CallIdx == SkipStart) {
         // Note that we're skipping calls.
-        addDiag(CallLocation, diag::note_constexpr_calls_suppressed)
+        addDiag(CallRange.getBegin(), diag::note_constexpr_calls_suppressed)
             << unsigned(ActiveCalls - Limit);
       }
       continue;
@@ -146,7 +146,8 @@
     if (const auto *CD =
             dyn_cast_if_present<CXXConstructorDecl>(F->getCallee());
         CD && CD->isInheritingConstructor()) {
-      addDiag(CallLocation, diag::note_constexpr_inherited_ctor_call_here)
+      addDiag(CallRange.getBegin(),
+              diag::note_constexpr_inherited_ctor_call_here)
           << CD->getParent();
       continue;
     }
@@ -154,6 +155,7 @@
     SmallString<128> Buffer;
     llvm::raw_svector_ostream Out(Buffer);
     F->describe(Out);
-    addDiag(CallLocation, diag::note_constexpr_call_here) << Out.str();
+    addDiag(CallRange.getBegin(), diag::note_constexpr_call_here)
+        << Out.str() << CallRange;
   }
 }