dwarf: ignores tombstone entries in inlined information (#1488)

Signed-off-by: Takeshi Yoneda <t.y.mathetake@gmail.com>

dwarf_test.go

@@ -45,6 +45,35 @@ func TestWithDebugInfo(t *testing.T) {
 				bin  []byte
 				exp  string
 			}{
+				{
+					name: "tinygo",
+					bin:  dwarftestdata.TinyGoWasm,
+					exp: `module[] function[_start] failed: wasm error: unreachable
+wasm stack trace:
+	.runtime._panic(i32)
+		0x18f3: /runtime_tinygowasm.go:70:6
+	.main.c()
+		0x2ff9: /main.go:16:7
+	.main.b()
+		0x2f97: /main.go:12:3
+	.main.a()
+		0x2f39: /main.go:8:3
+	.main.main()
+		0x2149: /main.go:4:3
+	.runtime.run$1()
+		0x1fcb: /scheduler_any.go:25:11
+	.runtime.run$1$gowrapper(i32)
+		0x6f0: /scheduler_any.go:23:2
+	.tinygo_launch(i32)
+		0x23: /task_asyncify_wasm.S:59
+	.runtime.scheduler()
+		0x1ec4: /task_asyncify.go:109:17 (inlined)
+		        /scheduler.go:236:11
+	.runtime.run()
+		0x1d92: /scheduler_any.go:28:11
+	._start()
+		0x1d12: /runtime_wasm_wasi.go:21:5`,
+				},
 				{
 					name: "zig",
 					bin:  dwarftestdata.ZigWasm,