Add coverage opcode (#30)

Source.lua

@@ -1109,6 +1109,8 @@ local function luau_load(module, env, luau_settings)
 					pc += inst.E
 				elseif op == 68 then --[[ FASTCALL ]]
 					--[[ Skipped ]]
+				elseif op == 69 then --[[ COVERAGE ]]
+					inst.E += 1
 				elseif op == 70 then --[[ CAPTURE ]]
 					--[[ Handled by CLOSURE ]]
 					error("encountered unhandled CAPTURE")

tests/Config.h

@@ -68,6 +68,9 @@ FIU_TESTCASES {
 		"Conformance/utf8",
 		"Conformance/vararg",
 
+		// Emulated Tests
+		"Conformance/Emulated/Coverage",
+
 		// Instruction Specific Tests
 		"Conformance/Instructions/Calls",
 		"Conformance/Instructions/Constants",

tests/Conformance/Emulated/Coverage.lua

@@ -0,0 +1,23 @@
+--!ctx Luau
+
+local ok, compileResult = Luau.compile([[
+print("Hello World!")
+]])
+
+if not ok then
+	error(`Failed to compile, error: {compileResult}`)
+end
+
+local module = Fiu.luau_deserialize(compileResult)
+
+table.insert(module.mainProto.code, 1, {
+	opcode = 69,
+	opname = "COVERAGE",
+	E = 0,
+})
+
+local func, _ = Fiu.luau_load(module, {print = print})
+
+func()
+
+OK()