[lldb][test] Add FindGlobalVariables tests for C++ inline static data…

… members (#70641)

Tests that LLDB can find inline static data members.

Relies on the debug-info change in:
llvm/llvm-project#70639

lldb/test/API/lang/cpp/const_static_integral_member/TestConstStaticIntegralMember.py

@@ -114,6 +114,39 @@ def test_class_with_only_const_static(self):
 
         self.expect_expr("ClassWithOnlyConstStatic::member", result_value="3")
 
+    def check_global_var(self, name: str, expect_type, expect_val):
+        var_list = self.target().FindGlobalVariables(name, lldb.UINT32_MAX)
+        self.assertEqual(len(var_list), 1)
+        varobj = var_list[0]
+        self.assertEqual(varobj.type.name, expect_type)
+        self.assertEqual(varobj.value, expect_val)
+
+    # For debug-info produced by older versions of clang, inline static data members
+    # wouldn't get indexed into the Names accelerator table preventing LLDB from finding
+    # them.
+    @expectedFailureAll(compiler=["clang"], compiler_version=["<", "18.0"])
+    @expectedFailureAll(debug_info=no_match(["dsym"]))
+    def test_inline_static_members(self):
+        self.build()
+        lldbutil.run_to_source_breakpoint(
+            self, "// break here", lldb.SBFileSpec("main.cpp")
+        )
+
+        self.check_global_var("A::int_val", "const int", "1")
+        self.check_global_var("A::int_val_with_address", "const int", "2")
+        self.check_global_var("A::bool_val", "const bool", "true")
+        self.check_global_var("A::enum_val", "Enum", "enum_case2")
+        self.check_global_var("A::enum_bool_val", "EnumBool", "enum_bool_case1")
+        self.check_global_var("A::scoped_enum_val", "ScopedEnum", "scoped_enum_case2")
+
+        self.check_global_var("ClassWithOnlyConstStatic::member", "const int", "3")
+
+        self.check_global_var("ClassWithConstexprs::member", "const int", "2")
+        self.check_global_var("ClassWithConstexprs::enum_val", "Enum", "enum_case2")
+        self.check_global_var(
+            "ClassWithConstexprs::scoped_enum_val", "ScopedEnum", "scoped_enum_case2"
+        )
+
     # With older versions of Clang, LLDB fails to evaluate classes with only
     # constexpr members when dsymutil is enabled
     @expectedFailureAll(