[clang-tools-extra] [clang-tidy] Diagnose NULL macro expansions in implicit-bool-conversion (PR #188694)

[Baranov Victor via cfe-commits]

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@@ -382,7 +382,8 @@ void ImplicitBoolConversionCheck::handleCastToBool(const ImplicitCastExpr *Cast,
     return;
   }
 
-  auto Diag = diag(Cast->getBeginLoc(), "implicit conversion %0 -> 'bool'")
+  auto Diag = diag(Context.getSourceManager().getFileLoc(Cast->getBeginLoc()),
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vbvictor wrote:

Do we need some new tests for this? Or removing `--system-header` helped somehow?
IIRC `<cstddef>` is already included with -isystem

https://github.com/llvm/llvm-project/pull/188694