Fixed google-readability-casting test to work in c++17

Summary: Fixed google-readability-casting.cpp to get tests working in c++17

Reviewers: gribozavr, hokein

Reviewed By: gribozavr

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D63128

Patch by Shaurya Gupta.

llvm-svn: 363047

2 files changed, 16 insertions, 8 deletions

diff --git a/clang-tools-extra/clang-tidy/google/AvoidCStyleCastsCheck.cpp b/clang-tools-extra/clang-tidy/google/AvoidCStyleCastsCheck.cpp
index 6a16d884e5c..3125889d191 100644
--- a/clang-tools-extra/clang-tidy/google/AvoidCStyleCastsCheck.cpp
+++ b/clang-tools-extra/clang-tidy/google/AvoidCStyleCastsCheck.cpp
@@ -86,6 +86,10 @@ void AvoidCStyleCastsCheck::check(const MatchFinder::MatchResult &Result) {
   bool FnToFnCast =
       isFunction(SourceTypeAsWritten) && isFunction(DestTypeAsWritten);
 
+  const bool ConstructorCast = !CastExpr->getTypeAsWritten().hasQualifiers() &&
+      DestTypeAsWritten->isRecordType() &&
+      !DestTypeAsWritten->isElaboratedTypeSpecifier();
+
   if (CastExpr->getCastKind() == CK_NoOp && !FnToFnCast) {
     // Function pointer/reference casts may be needed to resolve ambiguities in
     // case of overloaded functions, so detection of redundant casts is trickier
@@ -144,19 +148,19 @@ void AvoidCStyleCastsCheck::check(const MatchFinder::MatchResult &Result) {
     Diag << CastType;
     ReplaceWithCast((CastType + "<" + DestTypeString + ">").str());
   };
-
+  auto ReplaceWithConstructorCall = [&]() {
+    Diag << "constructor call syntax";
+    // FIXME: Validate DestTypeString, maybe.
+    ReplaceWithCast(DestTypeString.str());
+  };
   // Suggest appropriate C++ cast. See [expr.cast] for cast notation semantics.
   switch (CastExpr->getCastKind()) {
   case CK_FunctionToPointerDecay:
     ReplaceWithNamedCast("static_cast");
     return;
   case CK_ConstructorConversion:
-    if (!CastExpr->getTypeAsWritten().hasQualifiers() &&
-        DestTypeAsWritten->isRecordType() &&
-        !DestTypeAsWritten->isElaboratedTypeSpecifier()) {
-      Diag << "constructor call syntax";
-      // FIXME: Validate DestTypeString, maybe.
-      ReplaceWithCast(DestTypeString.str());
+    if (ConstructorCast) {
+      ReplaceWithConstructorCall();
     } else {
       ReplaceWithNamedCast("static_cast");
     }
@@ -176,6 +180,10 @@ void AvoidCStyleCastsCheck::check(const MatchFinder::MatchResult &Result) {
       ReplaceWithNamedCast("const_cast");
       return;
     }
+    if (ConstructorCast) {
+      ReplaceWithConstructorCall();
+      return;
+    }
     if (DestType->isReferenceType()) {
       QualType Dest = DestType.getNonReferenceType();
       QualType Source = SourceType.getNonReferenceType();
diff --git a/clang-tools-extra/test/clang-tidy/google-readability-casting.cpp b/clang-tools-extra/test/clang-tidy/google-readability-casting.cpp
index ffec0f89dab..4655e27cd8b 100644
--- a/clang-tools-extra/test/clang-tidy/google-readability-casting.cpp
+++ b/clang-tools-extra/test/clang-tidy/google-readability-casting.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy -std=c++11,c++14 %s google-readability-casting %t
+// RUN: %check_clang_tidy -std=c++11-or-later %s google-readability-casting %t
 // FIXME: Fix the checker to work in C++17 mode.
 
 bool g() { return false; }