[clang] [CLANG] Full support of complex multiplication and division. (PR #81514)

[Andy Kaylor via cfe-commits]

================
@@ -2807,9 +2791,17 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D,
     FPExceptionBehavior = "";
     // If fast-math is set then set the fp-contract mode to fast.
     FPContract = "fast";
-    // ffast-math enables limited range rules for complex multiplication and
+    // ffast-math enables basic range rules for complex multiplication and
----------------
andykaylor wrote:

We may have a naming problem here. The term "limited range rules" has a direct definition in the C standard, whereas "basic range rules" is essentially our construct to get the same behavior.

https://github.com/llvm/llvm-project/pull/81514