[lldb] Add an embedded Swift test for InlineArray (NFC)

Turns out this feature already works, because all the information is
also conrtained in the mangled name.

Author: adrian-prantl

lldb/packages/Python/lldbsuite/test/make/Swift.rules

@@ -134,7 +134,7 @@ endif
 # Check if we should compile in Swift embedded mode
 #----------------------------------------------------------------------
 ifeq "$(SWIFT_EMBEDDED_MODE)" "1"
-	SWIFTFLAGS += -gdwarf-types -enable-experimental-feature Embedded -Xfrontend -disable-objc-interop -runtime-compatibility-version none
+	SWIFTFLAGS += -gdwarf-types -enable-experimental-feature Embedded -enable-experimental-feature ValueGenerics -Xfrontend -disable-objc-interop -runtime-compatibility-version none
 	ifeq "$(OS)" "Darwin"
 		SWIFTFLAGS += -target $(ARCH)-apple-macos14
 	endif

lldb/test/API/lang/swift/embedded/frame_variable/TestSwiftEmbeddedFrameVariable.py

@@ -208,3 +208,10 @@ def implementation(self):
         innerFunctionType = frame.FindVariable("innerFunctionType")
         innerFuncField = innerFunctionType.GetChildMemberWithName("innerFuncField")
         lldbutil.check_variable(self, innerFuncField, False, value='8479')
+
+        array = frame.FindVariable("array")
+        arrayStorage = array.GetChildMemberWithName("_storage")
+        lldbutil.check_variable(self, arrayStorage, False, num_children=4)
+        for i in range(4):
+            lldbutil.check_variable(self, arrayStorage.GetChildAtIndex(i),
+                                    False, value=str(i+1))

lldb/test/API/lang/swift/embedded/frame_variable/main.swift

@@ -159,6 +159,8 @@ func g() {
     let functionType = FunctionType()
     let innerFunctionType = InnerFunctionType()
 
+    var array: InlineArray<4, Int> = [1, 2, 3, 4]
+
     // Dummy statement to set breakpoint print can't be used in embedded Swift for now.
     let dummy = A() // break here
     let string = StaticString("Hello")