Initial project import

tools/v/vlib/wasm/tests/patch_test.v

@@ -0,0 +1,30 @@
+module main
+
+import wasm
+
+fn test_patch() {
+	mut m := wasm.Module{}
+	vsp := m.new_global('__vsp', false, .i32_t, true, wasm.constexpr_value(10))
+	mut at := m.new_function('add', [], [])
+	{
+		pp := at.patch_pos()
+		at.drop()
+		at.i32_const(10)
+		at.i32_const(10)
+		at.i32_const(10)
+		at.drop()
+		at.drop()
+		at.drop()
+		pps := at.patch_pos()
+		{
+			at.i32_const(10)
+			at.i32_const(10)
+			at.global_set(vsp)
+			at.i32_const(10)
+			at.global_set(vsp)
+		}
+		at.patch(pp, pps) // move to start
+	}
+	m.commit(at, true)
+	validate(m.compile()) or { panic(err) }
+}