remove workaround for LLVM not respecting "nobuiltin"

now that we depend on LLVM 5.0.0 we can remove the
workaround.

closes #393

1 files changed, 3 insertions, 6 deletions

diff --git a/std/math/asin.zig b/std/math/asin.zig
index 3f705a9cf7..b0368b5d66 100644
--- a/std/math/asin.zig
+++ b/std/math/asin.zig
@@ -6,10 +6,7 @@
 const math = @import("index.zig");
 const assert = @import("../debug.zig").assert;
 
-pub const asin = asin_workaround;
-
-// TODO issue #393
-pub fn asin_workaround(x: var) -> @typeOf(x) {
+pub fn asin(x: var) -> @typeOf(x) {
     const T = @typeOf(x);
     switch (T) {
         f32 => @inlineCall(asin32, x),
@@ -138,8 +135,8 @@ fn asin64(x: f64) -> f64 {
 }
 
 test "math.asin" {
-    assert(asin_workaround(f32(0.0)) == asin32(0.0));
-    assert(asin_workaround(f64(0.0)) == asin64(0.0));
+    assert(asin(f32(0.0)) == asin32(0.0));
+    assert(asin(f64(0.0)) == asin64(0.0));
 }
 
 test "math.asin32" {