[clang] [LifeitimeSafety] Support C Language in LifetimeSafety (PR #203270)

[Gábor Horváth via cfe-commits]

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@@ -106,6 +106,8 @@ void FactsGenerator::run() {
   llvm::TimeTraceScope TimeProfile("FactGenerator");
   const CFG &Cfg = *AC.getCFG();
   llvm::SmallVector<Fact *> PlaceholderLoanFacts = issuePlaceholderLoans();
+  IsCMode = !AC.getASTContext().getLangOpts().CPlusPlus &&
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Xazax-hun wrote:

I wonder if this should be initialized in the ctor instead. 

https://github.com/llvm/llvm-project/pull/203270