Fixed int-lowered structs with immutable methods in LLVM

BeefLibs/corlib/src/DateTimeOffset.bf

@@ -461,7 +461,7 @@ namespace System {
         // not equal.
         //
         public static bool Equals(DateTimeOffset first, DateTimeOffset second) {
-            return DateTime.Equals(first.UtcDateTime, second.UtcDateTime);
+            return first.UtcDateTime == second.UtcDateTime;
         }
                     
         // Creates a DateTimeOffset from a Windows filetime. A Windows filetime is

IDE/mintest/minlib/src/System/String.bf

@@ -26,6 +26,7 @@ namespace System
         char8* mPtr = null;
 
 		extern const String* sStringLiterals;
+		public const String Empty = "";
 
 #if BF_LARGE_STRINGS
 		const uint64 SizeFlags = 0x3FFFFFFF'FFFFFFFF;
@@ -426,6 +427,16 @@ namespace System
 			ptr[mLength] = 0;
 		}
 
+		private void Append(char8[] arr, int idx, int length)
+		{
+			Append(&arr.getRef(idx), length);
+		}
+
+		public void Append(StringView arr, int idx, int length)
+		{
+			Append(arr.Ptr + idx, length);
+		}
+
         public void Append(StringView value)
 		{
             //Contract.Ensures(Contract.Result<String>() != null);

IDEHelper/Compiler/BfModule.cpp

@@ -12093,8 +12093,6 @@ BfTypedValue BfModule::GetThis()
 		return BfTypedValue();
 	}
 			
-	bool preferValue = !IsTargetingBeefBackend(); 
-
 	if (useMethodState->mLocals.IsEmpty())
 	{
 		// This can happen in rare non-capture cases, such as when we need to do a const expression resolve for a sized-array return type on a local method
@@ -12104,9 +12102,18 @@ BfTypedValue BfModule::GetThis()
 
 	auto thisLocal = useMethodState->mLocals[0];
 	BF_ASSERT(thisLocal->mIsThis);
+
+	bool preferValue = !IsTargetingBeefBackend();
+	if (!thisLocal->mAddr)
+		preferValue = true;
+	
+	bool usedVal = false;
 	BfIRValue thisValue;
-	if ((preferValue) || (!thisLocal->mAddr) /*|| (thisLocal->mIsSplat)*/)
+	if ((preferValue) && (!thisLocal->mIsLowered))
+	{
 		thisValue = thisLocal->mValue;
+		usedVal = true;
+	}
 	else if ((thisLocal->mIsSplat) || (thisLocal->mIsLowered))
 		thisValue = thisLocal->mAddr;
 	else

IDEHelper/Tests/src/Structs.bf

@@ -31,9 +31,25 @@ namespace Tests
 
 		struct StructC
 		{
-			int8 mA;
-			int32 mB;
-			int8 mC;
+			public int8 mA;
+			public int32 mB;
+			public int8 mC;
+
+			public int A
+			{
+				get mut
+				{
+					return mA;
+				}
+			}
+
+			public int B
+			{
+				get
+				{
+					return mB;
+				}
+			}
 		}
 
 		[Ordered]
@@ -52,6 +68,28 @@ namespace Tests
 			int8 mC;
 		}
 
+		[CRepr]
+		struct Color
+		{
+			public uint8 mR, mG, mB, mA;
+
+			public uint8 R
+			{
+				get mut
+				{
+					return mR;
+				}
+			}
+
+			public uint8 G
+			{
+				get
+				{
+					return mG;
+				}
+			}
+		}
+
 		struct StructF : StructC
 		{
 			int8 mD;
@@ -134,5 +172,24 @@ namespace Tests
 			Span<char8> span = sv;
 			Test.Assert(Test(sv) == 22);
 		}
+
+		[Test]
+		static void TestProperties()
+		{
+			StructC sc = .();
+			sc.mA = 11;
+			sc.mB = 22;
+			sc.mC = 33;
+			Test.Assert(sc.A == 11);
+			Test.Assert(sc.B == 22);
+
+			Color clr;
+			clr.mR = 10;
+			clr.mG = 20;
+			clr.mB = 30;
+			clr.mA = 40;
+			Test.Assert(clr.R == 10);
+			Test.Assert(clr.G == 20);
+		}
 	}
 }