Merge pull request #10470 from adrian-prantl/openresilientfunctest-6.1

[lldb] Add a test for calling open resilient functions in expressions

Author: adrian-prantl

lldb/test/API/lang/swift/expression/classes/open_resilient/Library.swift

@@ -0,0 +1,4 @@
+open class A {
+  public init() {}
+  open func foo() -> Int { return 23 }
+}

lldb/test/API/lang/swift/expression/classes/open_resilient/Makefile

@@ -0,0 +1,14 @@
+SWIFT_SOURCES := main.swift
+SWIFTFLAGS_EXTRAS := -I.
+LD_EXTRAS = -lLibrary -L$(BUILDDIR)
+all: libLibrary.dylib a.out
+
+lib%.dylib: %.swift
+	"$(MAKE)" MAKE_DSYM=NO DYLIB_ONLY=YES \
+		DYLIB_HIDE_SWIFTMODULE=YES \
+		DYLIB_NAME=$(shell basename $< .swift) \
+		DYLIB_SWIFT_SOURCES=$(shell basename $<) \
+                SWIFTFLAGS_EXTRAS=-enable-library-evolution \
+		VPATH=$(SRCDIR) -I $(SRCDIR) -f $(MAKEFILE_RULES) all
+
+include Makefile.rules

lldb/test/API/lang/swift/expression/classes/open_resilient/TestSwiftExpressionOpenResilientClass.py

@@ -0,0 +1,16 @@
+import lldb
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test.decorators import *
+import lldbsuite.test.lldbutil as lldbutil
+
+class TestExpressionOpenResilientClass(TestBase):
+    NO_DEBUG_INFO_TEST = True
+    @swiftTest
+    def test(self):
+        """Tests calling an open resilient function"""
+        self.build()
+        lldbutil.run_to_source_breakpoint(
+            self, 'break here', lldb.SBFileSpec('main.swift'),
+            extra_images=['Library'])
+
+        self.expect("expr -- a.foo()", substrs=["23"])

lldb/test/API/lang/swift/expression/classes/open_resilient/main.swift

@@ -0,0 +1,8 @@
+import Library
+
+func f() {
+  let a  = A()
+  print("break here \(a)")
+}
+
+f()