Fix a bug in the typo correction replacement location.

I noticed the wrong text was being replaced with the correction while
working on expanding the "namespace-aware" typo correction to include
classes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191450 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index d03661229346e54999f442ca877ac8281a685aee..10ed15a290372a213588bd4b696a137cde288f9b 100644 (file)
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -3978,10 +3978,12 @@ Sema::ConvertArgumentsForCall(CallExpr *Call, Expr *Fn,
   // arguments for the remaining parameters), don't make the call.
   if (Args.size() < NumArgsInProto) {
     if (Args.size() < MinArgs) {
+      MemberExpr *ME = dyn_cast<MemberExpr>(Fn);
       TypoCorrection TC;
       if (FDecl && (TC = TryTypoCorrectionForCall(
                         *this, DeclarationNameInfo(FDecl->getDeclName(),
-                                                   Fn->getLocStart()),
+                                                   (ME ? ME->getMemberLoc()
+                                                       : Fn->getLocStart())),
                         Args))) {
         unsigned diag_id =
             MinArgs == NumArgsInProto && !Proto->isVariadic()

diff --git a/test/FixIt/typo-location-bugs.cpp b/test/FixIt/typo-location-bugs.cpp
new file mode 100644 (file)
index 0000000..9c34a91
--- /dev/null
+++ b/test/FixIt/typo-location-bugs.cpp
@@ -0,0 +1,21 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: cp %s %t
+// RUN: not %clang_cc1 -fsyntax-only -fixit -x c++ %t
+// RUN: %clang_cc1 -fsyntax-only -pedantic -Werror -x c++ %t
+
+namespace dcl_fct_default_p10 {
+struct A {
+  virtual void f(int a = 7); // expected-note{{'A::f' declared here}}
+};
+
+struct B : public A {
+  void f(int a);
+};
+
+void m() {
+  B* pb = new B;
+  A* pa = pb;
+  pa->f(); // OK, calls pa->B::f(7)
+  pb->f(); // expected-error{{too few arguments to function call, expected 1, have 0; did you mean 'A::f'?}}
+}
+}