[clang] [clang] Use current rounding mode for float inc/dec (PR #73770)

[Serge Pavlov via cfe-commits]

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@@ -4623,10 +4623,12 @@ struct IncDecSubobjectHandler {
     if (Old) *Old = APValue(Value);
 
     APFloat One(Value.getSemantics(), 1);
+    llvm::RoundingMode RM =
+        E->getFPFeaturesInEffect(Info.Ctx.getLangOpts()).getRoundingMode();
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spavloff wrote:

Yes, it should. Thank you!

https://github.com/llvm/llvm-project/pull/73770