[clang] Make CIR assembly formats strict properties compatible (PR #226600)

[Mehdi Amini via cfe-commits]

================
@@ -327,7 +325,8 @@ def CIR_CastOp : CIR_Op<"cast", !listconcat([
   let results = (outs CIR_AnyType:$result);
 
   let assemblyFormat = [{
-    enum($kind) $src `:` type($src) `->` type($result) attr-dict
+    enum($kind) $src `:` type($src) `->` type($result)
+    (`fenv` `` custom<FenvFields>($fenv)^)? attr-dict
----------------
joker-eph wrote:

Sure, updated!

https://github.com/llvm/llvm-project/pull/226600