Update ilxgen name-path architecture guard

Author: NatElkins

tests/FSharp.Compiler.Service.Tests/HotReload/ArchitectureGuardTests.fs

@@ -235,19 +235,19 @@ let ``delta builder fallback keeps staged signature disambiguation`` () =
 [<Fact>]
 let ``ilxgen centralizes compiler-generated-name access through helper wrappers`` () =
     // Mirrors tests/scripts/check-ilxgen-name-path.sh so the name-path guard runs in CI: every
-    // compiler-generated name must flow through the freshIlxName/freshCoreName/nextIlxOrdinal
-    // wrappers, which are the only sites permitted to touch the CompilerGlobalState generators.
+    // compiler-generated name must flow through the freshIlxName/freshCoreName wrappers, which
+    // are the only sites permitted to touch the CompilerGlobalState generators.
     // A new direct generator call outside a wrapper (or a removed wrapper) breaks the hot-reload
     // name-replay invariant and must fail here.
     let source = readCompilerFile "src/Compiler/CodeGen/IlxGen.fs"
 
     Assert.Contains("let private freshIlxName", source)
     Assert.Contains("let private freshCoreName", source)
-    Assert.Contains("let private nextIlxOrdinal", source)
+    Assert.DoesNotContain("IncrementOnly", source)
 
     let directGeneratorCalls =
         System.Text.RegularExpressions.Regex.Matches(
             source,
-            @"CompilerGlobalState\.Value\.(IlxGenNiceNameGenerator|NiceNameGenerator)\.(FreshCompilerGeneratedName|IncrementOnly)")
+            @"CompilerGlobalState\.Value\.(IlxGenNiceNameGenerator|NiceNameGenerator)\.FreshCompilerGeneratedName")
 
-    Assert.Equal(3, directGeneratorCalls.Count)
+    Assert.Equal(2, directGeneratorCalls.Count)