[clang] [clang][CodeGen] Zero init unspecified fields in initializers in C (PR #97121)

[Eli Friedman via cfe-commits]

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@@ -715,6 +772,11 @@ bool ConstStructBuilder::Build(const InitListExpr *ILE, bool AllowOverwrite) {
     if (CXXRD->getNumBases())
       return false;
 
+  // See comment in getPadding().
+  bool ZeroInitPadding = !CGM.getLangOpts().CPlusPlus;
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efriedma-quic wrote:

Can we unify this into a helper?

https://github.com/llvm/llvm-project/pull/97121