fix swizzle in for in statement

Fixes odin-lang#1730

src/llvm_backend_general.cpp

@@ -574,8 +574,7 @@ gb_internal lbValue lb_addr_get_ptr(lbProcedure *p, lbAddr const &addr) {
 
 	case lbAddr_Swizzle:
 	case lbAddr_SwizzleLarge:
-		// TOOD(bill): is this good enough logic?
-		break;
+		return lb_address_from_load(p, lb_addr_load(p, addr));
 	}
 
 	return addr.addr;

tests/issues/run.bat

@@ -16,6 +16,7 @@ set COMMON=-define:ODIN_TEST_FANCY=false -file -vet -strict-style
 ..\..\..\odin test ..\test_issue_2637.odin %COMMON%  || exit /b
 ..\..\..\odin test ..\test_issue_2666.odin %COMMON%  || exit /b
 ..\..\..\odin test ..\test_issue_4210.odin %COMMON%  || exit /b
+..\..\..\odin test ..\test_various_issues.odin %COMMON% || exit /b
 
 @echo off
 

tests/issues/run.sh

@@ -17,6 +17,7 @@ $ODIN test ../test_issue_2615.odin $COMMON
 $ODIN test ../test_issue_2637.odin $COMMON
 $ODIN test ../test_issue_2666.odin $COMMON
 $ODIN test ../test_issue_4210.odin $COMMON
+$ODIN test ../test_various_issues.odin $COMMON
 if [[ $($ODIN build ../test_issue_2395.odin $COMMON 2>&1 >/dev/null | grep -c "Error:") -eq 2 ]] ; then
 	echo "SUCCESSFUL 1/1"
 else

tests/issues/test_various_issues.odin

@@ -0,0 +1,17 @@
+package test_issues
+
+import "core:testing"
+
+// Tests issue #1730 https://github.com/odin-lang/Odin/issues/1730
+@(test)
+test_issue_1730 :: proc(t: ^testing.T) {
+	ll := [4]int{1, 2, 3, 4}
+	for l, i in ll.yz {
+		testing.expect(t, i <= 1)
+		if i == 0 {
+			testing.expect_value(t, l, 2)
+		} else if i == 1 {
+			testing.expect_value(t, l, 3)
+		}
+	}
+}