Whitelist aes x86 feature flag

Required to fix https://github.com/rust-lang-nursery/stdsimd/issues/295 in stdsimd.

r? @alexcrichton

diff --git a/src/librustc_trans/llvm_util.rs b/src/librustc_trans/llvm_util.rs
index 15988008de2fc6981a4e3c44d9a7fb69cfcc7fd7..39ef3db9dc2f6240e9b81d9e8a3c1788f168fa16 100644 (file)
--- a/src/librustc_trans/llvm_util.rs
+++ b/src/librustc_trans/llvm_util.rs
@@ -88,7 +88,7 @@ unsafe fn configure_llvm(sess: &Session) {
                                                  "ssse3\0", "tbm\0", "lzcnt\0", "popcnt\0",
                                                  "sse4a\0", "rdrnd\0", "rdseed\0", "fma\0",
                                                  "xsave\0", "xsaveopt\0", "xsavec\0",
-                                                 "xsaves\0",
+                                                 "xsaves\0", "aes\0",
                                                  "avx512bw\0", "avx512cd\0",
                                                  "avx512dq\0", "avx512er\0",
                                                  "avx512f\0", "avx512ifma\0",