[clang] [Driver] Introduce ffp-model=aggressive (PR #100453)

[Fangrui Song via cfe-commits]

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@@ -3033,8 +3039,8 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D,
       SignedZeros = true;
 
       StringRef Val = A->getValue();
-      if (OFastEnabled && Val != "fast") {
-        // Only -ffp-model=fast is compatible with OFast, ignore.
+      if (OFastEnabled && Val != "aggressive") {
+        // Only -ffp-model=aggressive is compatible with OFast, ignore.
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MaskRay wrote:

`-Ofast`.

There isn't a variable named `OFast`.

https://github.com/llvm/llvm-project/pull/100453