[clang] [NFC][analyzer] Initialize pointer field in StreamOperationEvaluator (PR #89837)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-static-analyzer-1

Author: Mike Rice (mikerice1969)

<details>
<summary>Changes</summary>

Add an initializer for StreamSym, which is a pointer. The pointers in this class are set in the Init function, but all should be initialized in the constructor to avoid confusion and static verifier hits.

---
Full diff: https://github.com/llvm/llvm-project/pull/89837.diff


1 Files Affected:

- (modified) clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp (+1-1) 


``````````diff
diff --git a/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp
index bd495cd0f9710d..a0aa2316a7b45d 100644
--- a/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp
@@ -600,7 +600,7 @@ struct StreamOperationEvaluator {
   SValBuilder &SVB;
   const ASTContext &ACtx;
 
-  SymbolRef StreamSym;
+  SymbolRef StreamSym = nullptr;
   const StreamState *SS = nullptr;
   const CallExpr *CE = nullptr;
   StreamErrorState NewES;

``````````

</details>


https://github.com/llvm/llvm-project/pull/89837