[clang] [CIR] Emit init of local variables (PR #130164)

[Andy Kaylor via cfe-commits]

================
@@ -105,6 +106,27 @@ class CIRGenFunction : public CIRGenTypeCache {
   mlir::Value emitAlloca(llvm::StringRef name, mlir::Type ty,
                          mlir::Location loc, clang::CharUnits alignment);
 
+private:
+  // Track current variable initialization (if there's one)
+  const clang::VarDecl *currVarDecl = nullptr;
+  class VarDeclContext {
+    CIRGenFunction &p;
+    const clang::VarDecl *oldVal = nullptr;
+
+  public:
+    VarDeclContext(CIRGenFunction &p, const VarDecl *value) : p(p) {
+      if (p.currVarDecl)
----------------
andykaylor wrote:

You're right. I can see no reason this condition needs to be here.

https://github.com/llvm/llvm-project/pull/130164