[clang-tidy] readability-implicit-bool-conversion.AllowIntegerConditions ignores DoStmts

Reviewed By: PiotrZSL

Differential Revision: https://reviews.llvm.org/D157428

Author: FabianWolff

clang-tools-extra/clang-tidy/readability/ImplicitBoolConversionCheck.cpp

@@ -228,7 +228,8 @@ bool isCastAllowedInCondition(const ImplicitCastExpr *Cast,
       if (!S)
         return false;
       if (isa<IfStmt>(S) || isa<ConditionalOperator>(S) || isa<ForStmt>(S) ||
-          isa<WhileStmt>(S) || isa<BinaryConditionalOperator>(S))
+          isa<WhileStmt>(S) || isa<DoStmt>(S) ||
+          isa<BinaryConditionalOperator>(S))
         return true;
       if (isa<ParenExpr>(S) || isa<ImplicitCastExpr>(S) ||
           isUnaryLogicalNotOperator(S) ||

clang-tools-extra/docs/ReleaseNotes.rst

@@ -196,6 +196,11 @@ Changes in existing checks
   <clang-tidy/checks/readability/identifier-naming>` check to emit proper
   warnings when a type forward declaration precedes its definition.
 
+- Improved :doc:`readability-implicit-bool-conversion
+  <clang-tidy/checks/readability/implicit-bool-conversion>` check to take
+  do-while loops into account for the `AllowIntegerConditions` and
+  `AllowPointerConditions` options.
+
 Removed checks
 ^^^^^^^^^^^^^^
 

clang-tools-extra/test/clang-tidy/checkers/readability/implicit-bool-conversion-allow-in-conditions.cpp

@@ -38,6 +38,9 @@ void implicitConversionIntegerToBoolInConditionalsIsAllowed() {
   while (functionReturningInt()) {}
   while (functionReturningPointer()) {}
   while (functionReturningInt() && !functionReturningPointer() || (!functionReturningInt() && functionReturningPointer())) {}
+  do {} while (functionReturningInt());
+  do {} while (functionReturningPointer());
+  do {} while (functionReturningInt() && !functionReturningPointer() || (!functionReturningInt() && functionReturningPointer()));
   int value1 = functionReturningInt() ? 1 : 2;
   int value2 = !functionReturningInt() ? 1 : 2;
   int value3 = (functionReturningInt() && functionReturningPointer() || !functionReturningInt()) ? 1 : 2;