Fix crashing on user-defined conversion.

alexfh · alexfh · commit dc84150e4f2d · 2016-01-26T10:56:27.000Z
Summary: Fix the assertion failure for the user-defined conversion method. e.g.: operator bool() Reviewers: alexfh, aaron.ballman Subscribers: aaron.ballman, cfe-commits Patch by Cong Liu! Differential Revision: http://reviews.llvm.org/D16536 llvm-svn: 258801
diff --git a/clang-tools-extra/clang-tidy/misc/VirtualNearMissCheck.cpp b/clang-tools-extra/clang-tidy/misc/VirtualNearMissCheck.cpp
@@ -178,7 +178,8 @@ bool VirtualNearMissCheck::isPossibleToBeOverridden(
 
   bool IsPossible = !BaseMD->isImplicit() && !isa<CXXConstructorDecl>(BaseMD) &&
                     !isa<CXXDestructorDecl>(BaseMD) && BaseMD->isVirtual() &&
-                    !BaseMD->isOverloadedOperator();
+                    !BaseMD->isOverloadedOperator() &&
+                    !isa<CXXConversionDecl>(BaseMD);
   PossibleMap[Id] = IsPossible;
   return IsPossible;
 }
@@ -210,8 +211,9 @@ void VirtualNearMissCheck::registerMatchers(MatchFinder *Finder) {
     return;
 
   Finder->addMatcher(
-      cxxMethodDecl(unless(anyOf(isOverride(), isImplicit(),
-                                 cxxConstructorDecl(), cxxDestructorDecl())))
+      cxxMethodDecl(
+          unless(anyOf(isOverride(), isImplicit(), cxxConstructorDecl(),
+                       cxxDestructorDecl(), cxxConversionDecl())))
           .bind("method"),
       this);
 }
diff --git a/clang-tools-extra/test/clang-tidy/misc-virtual-near-miss.cpp b/clang-tools-extra/test/clang-tidy/misc-virtual-near-miss.cpp
@@ -69,6 +69,7 @@ class Child : private Father, private Mother {
   int decaz(const char str[]);
   // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: method 'Child::decaz' has {{.*}} 'Mother::decay'
 
+  operator bool();
 private:
   void funk();
   // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: method 'Child::funk' has {{.*}} 'Father::func'
