[clang][dataflow][NFC] Put TransferVisitor in an unnamed namespace.

This avoids the risk of ODR violations. Reviewed By: gribozavr2 Differential Revision: https://reviews.llvm.org/D147032
llvm · Mar 28, 2023 · 1bc2d43 · 1bc2d43
1 parent cf115f3
commit 1bc2d43
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/clang/lib/Analysis/FlowSensitive/Transfer.cpp b/clang/lib/Analysis/FlowSensitive/Transfer.cpp
@@ -139,6 +139,8 @@ static Value *maybeUnpackLValueExpr(const Expr &E, Environment &Env) {
   return &UnpackedVal;
 }
 
+namespace {
+
 class TransferVisitor : public ConstStmtVisitor<TransferVisitor> {
 public:
   TransferVisitor(const StmtToEnvMap &StmtToEnv, Environment &Env)
@@ -884,6 +886,8 @@ class TransferVisitor : public ConstStmtVisitor<TransferVisitor> {
   Environment &Env;
 };
 
+} // namespace
+
 void transfer(const StmtToEnvMap &StmtToEnv, const Stmt &S, Environment &Env) {
   TransferVisitor(StmtToEnv, Env).Visit(&S);
 }