[clang] [NFC] [ASTMatchers] Share code of `forEachArgumentWithParamType` with UnsafeBufferUsage (PR #132387)

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git-clang-format --diff 387f3e8f986d53067a68aa0d7b058a0ce81ec941 ef63166c24f7328af8177220be706a573d97009e --extensions h,cpp -- clang/include/clang/ASTMatchers/LowLevelHelpers.h clang/lib/ASTMatchers/LowLevelHelpers.cpp clang/include/clang/ASTMatchers/ASTMatchers.h clang/lib/Analysis/UnsafeBufferUsage.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/ASTMatchers/LowLevelHelpers.cpp b/clang/lib/ASTMatchers/LowLevelHelpers.cpp
index d051430ba9..eb2604c625 100644
--- a/clang/lib/ASTMatchers/LowLevelHelpers.cpp
+++ b/clang/lib/ASTMatchers/LowLevelHelpers.cpp
@@ -77,7 +77,8 @@ static void matchEachArgumentWithParamTypeImpl(
     QualType ParamType;
     if (FProto && FProto->getNumParams() > ParamIndex)
       ParamType = FProto->getParamType(ParamIndex);
-    else if (const FunctionDecl *FD = getCallee(Node); FD && FD->getNumParams() > ParamIndex)
+    else if (const FunctionDecl *FD = getCallee(Node);
+             FD && FD->getNumParams() > ParamIndex)
       ParamType = FD->getParamDecl(ParamIndex)->getType();
     else
       continue;

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https://github.com/llvm/llvm-project/pull/132387