[PATCH] D42413: [clang-tidy] Handle bitfields in modernize-use-default-member-init if using C++2a

[Malcolm Parsons via Phabricator via cfe-commits]

malcolm.parsons updated this revision to Diff 131069.
malcolm.parsons added a comment.

Use ternary operator.


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D42413

Files:
  clang-tidy/modernize/UseDefaultMemberInitCheck.cpp
  test/clang-tidy/modernize-use-default-member-init-bitfield.cpp


Index: test/clang-tidy/modernize-use-default-member-init-bitfield.cpp
===================================================================
--- /dev/null
+++ test/clang-tidy/modernize-use-default-member-init-bitfield.cpp
@@ -0,0 +1,10 @@
+// RUN: %check_clang_tidy %s modernize-use-default-member-init %t -- -- -std=c++2a
+
+struct PositiveBitField
+{
+  PositiveBitField() : i(6) {}
+  // CHECK-FIXES: PositiveBitField()  {}
+  int i : 5;
+  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'i' [modernize-use-default-member-init]
+  // CHECK-FIXES: int i : 5{6};
+};
Index: clang-tidy/modernize/UseDefaultMemberInitCheck.cpp
===================================================================
--- clang-tidy/modernize/UseDefaultMemberInitCheck.cpp
+++ clang-tidy/modernize/UseDefaultMemberInitCheck.cpp
@@ -167,7 +167,9 @@
           isDefaultConstructor(), unless(isInstantiated()),
           forEachConstructorInitializer(
               cxxCtorInitializer(
-                  forField(unless(anyOf(isBitField(),
+                  forField(unless(anyOf(getLangOpts().CPlusPlus2a
+                                            ? unless(anything())
+                                            : isBitField(),
                                         hasInClassInitializer(anything()),
                                         hasParent(recordDecl(isUnion()))))),
                   isWritten(), withInitializer(ignoringImplicit(Init)))


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