Fix CS73_StackAllocInitializer tests

ICSharpCode.Decompiler.Tests/PrettyTestRunner.cs

@@ -79,6 +79,14 @@ namespace ICSharpCode.Decompiler.Tests
 			CompilerOptions.Optimize | CompilerOptions.UseRoslynLatest,
 		};
 
+		static readonly CompilerOptions[] roslyn3OrNewerOptions =
+		{
+			CompilerOptions.UseRoslyn3_11_0,
+			CompilerOptions.Optimize | CompilerOptions.UseRoslyn3_11_0,
+			CompilerOptions.UseRoslynLatest,
+			CompilerOptions.Optimize | CompilerOptions.UseRoslynLatest,
+		};
+
 		static readonly CompilerOptions[] roslynLatestOnlyOptions =
 		{
 			CompilerOptions.UseRoslynLatest,
@@ -440,7 +448,7 @@ namespace ICSharpCode.Decompiler.Tests
 		}
 
 		[Test]
-		public void CS73_StackAllocInitializers([ValueSource(nameof(roslynLatestOnlyOptions))] CompilerOptions cscOptions)
+		public void CS73_StackAllocInitializers([ValueSource(nameof(roslyn3OrNewerOptions))] CompilerOptions cscOptions)
 		{
 			RunForLibrary(cscOptions: cscOptions);
 		}

ICSharpCode.Decompiler.Tests/TestCases/Pretty/CS73_StackAllocInitializers.cs

@@ -193,11 +193,11 @@ namespace ICSharpCode.Decompiler.Tests.TestCases.Pretty
 		public unsafe string NegativeOffsets(int a, int b, int c)
 		{
 #if OPT
-			byte* intPtr = stackalloc byte[12];
+			byte* num = stackalloc byte[12];
-			*(int*)intPtr = 1;
+			*(int*)num = 1;
-			*(int*)(intPtr - 4) = 2;
+			*(int*)(num - 4) = 2;
-			*(int*)(intPtr - 8) = 3;
+			*(int*)(num - 8) = 3;
-			int* ptr = (int*)intPtr;
+			int* ptr = (int*)num;
 			Console.WriteLine(*ptr);
 			return UsePointer((byte*)ptr);
 #else