[lldb] Add TestSwiftNestedGeneric test

lldb/test/API/lang/swift/nested_generic/Makefile

@@ -0,0 +1,3 @@
+SWIFT_SOURCES := main.swift
+
+include Makefile.rules

lldb/test/API/lang/swift/nested_generic/TestSwiftNestedGeneric.py

@@ -0,0 +1,23 @@
+import lldb
+from lldbsuite.test.decorators import *
+import lldbsuite.test.lldbtest as lldbtest
+import lldbsuite.test.lldbutil as lldbutil
+
+
+class TestSwiftNestedGeneric(lldbtest.TestBase):
+    @swiftTest
+    def test(self):
+        """Test the inline array synthetic child provider and summary"""
+        self.build()
+        lldbutil.run_to_source_breakpoint(
+            self, "break here", lldb.SBFileSpec("main.swift")
+        )
+
+        self.runCmd("settings set symbols.swift-enable-ast-context false")
+        self.expect(
+            "frame variable v",
+            substrs=[
+                "HoldsNonNamespacedNestedStruct.NamespacedNestingStruct<Int>",
+                "nested = 42",
+            ],
+        )

lldb/test/API/lang/swift/nested_generic/main.swift

@@ -0,0 +1,13 @@
+class HoldsNonNamespacedNestedStruct {
+    struct NamespacedNestingStruct<T> {
+        let nested: T
+    }
+
+}
+
+func f() {
+    let v = HoldsNonNamespacedNestedStruct.NamespacedNestingStruct<Int>(nested: 42)
+    print(v) // break here
+}
+
+f()