update triple to asm in test_lifetime

Author: kripken

tests/lifetime.ll

@@ -1,6 +1,6 @@
-; ModuleID = '/tmp/emscripten/tmp/src.cpp.o'
-target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
-target triple = "i386-pc-linux-gnu"
+; ModuleID = 'tests/hello_world.bc'
+target datalayout = "e-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-p:32:32:32-v128:32:128-n32-S128"
+target triple = "asmjs-unknown-emscripten"
 
 %struct.vec2 = type { float, float }