Skip a memory-hungry test that OOMs

Attempting to fix https://travis-ci.org/rust-lang/rust/jobs/377407894 via some
selective ignoring tests

diff --git a/src/liballoc/tests/str.rs b/src/liballoc/tests/str.rs
index 2edd41a70b945af71db27b33d5053ecc4c33900d..1a47e5433ea90d97455c7c8cf8a3ddb556dff6b1 100644 (file)
--- a/src/liballoc/tests/str.rs
+++ b/src/liballoc/tests/str.rs
@@ -479,6 +479,7 @@ fn simple_unicode() {
     }
 
     #[test]
+    #[cfg(not(target_arch = "asmjs"))] // hits an OOM
     fn simple_big() {
         fn a_million_letter_x() -> String {
             let mut i = 0;