[PATCH] D34002: [clang-tidy] When" -fno-exceptions is used", this warning is better to be suppressed.

[Yan Wang via Phabricator via cfe-commits]

yawanng updated this revision to Diff 101834.
yawanng marked an inline comment as done.

https://reviews.llvm.org/D34002

Files:
  clang-tidy/misc/NoexceptMoveConstructorCheck.cpp
  test/clang-tidy/misc-noexcept-move-constructor.cpp


Index: test/clang-tidy/misc-noexcept-move-constructor.cpp
===================================================================
--- test/clang-tidy/misc-noexcept-move-constructor.cpp
+++ test/clang-tidy/misc-noexcept-move-constructor.cpp
@@ -1,16 +1,25 @@
-// RUN: %check_clang_tidy %s misc-noexcept-move-constructor %t
+// RUN: clang-tidy %s -checks="-*,misc-noexcept-move-constructor" -- -std=c++11 \
+// RUN:   | FileCheck %s -check-prefix=CHECK-EXCEPTIONS \
+// RUN:   -implicit-check-not="{{warning|error}}:"
+// RUN: clang-tidy %s -checks="-*,misc-noexcept-move-constructor" -- -fno-exceptions -std=c++11 \
+// RUN:   | FileCheck %s -allow-empty -check-prefix=CHECK-NONEXCEPTIONS \
+// RUN:   -implicit-check-not="{{warning|error}}:"
+
 
 class A {
   A(A &&);
-  // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: move constructors should be marked noexcept [misc-noexcept-move-constructor]
+  // CHECK-EXCEPTIONS: :[[@LINE-1]]:3: warning: move constructors should be marked noexcept [misc-noexcept-move-constructor]
+  // CHECK-NONEXCEPTIONS-NOT: warning:
   A &operator=(A &&);
-  // CHECK-MESSAGES: :[[@LINE-1]]:6: warning: move assignment operators should
+  // CHECK-EXCEPTIONS: :[[@LINE-1]]:6: warning: move assignment operators should
+  // CHECK-NONEXCEPTIONS-NOT: warning:
 };
 
 struct B {
   static constexpr bool kFalse = false;
   B(B &&) noexcept(kFalse);
-  // CHECK-MESSAGES: :[[@LINE-1]]:20: warning: noexcept specifier on the move constructor evaluates to 'false' [misc-noexcept-move-constructor]
+  // CHECK-EXCEPTIONS: :[[@LINE-1]]:20: warning: noexcept specifier on the move constructor evaluates to 'false' [misc-noexcept-move-constructor]
+  // CHECK-NONEXCEPTIONS-NOT: warning:
 };
 
 class OK {};
Index: clang-tidy/misc/NoexceptMoveConstructorCheck.cpp
===================================================================
--- clang-tidy/misc/NoexceptMoveConstructorCheck.cpp
+++ clang-tidy/misc/NoexceptMoveConstructorCheck.cpp
@@ -20,7 +20,7 @@
 void NoexceptMoveConstructorCheck::registerMatchers(MatchFinder *Finder) {
   // Only register the matchers for C++11; the functionality currently does not
   // provide any benefit to other languages, despite being benign.
-  if (!getLangOpts().CPlusPlus11)
+  if (!getLangOpts().CPlusPlus11 || !getLangOpts().CXXExceptions)
     return;
 
   Finder->addMatcher(


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