Added broadcast literal power test.

Author: chriselrod

Project.toml

@@ -13,7 +13,7 @@ VectorizationBase = "3d5dd08c-fd9d-11e8-17fa-ed2836048c2f"
 
 [compat]
 OffsetArrays = "1"
-SIMDPirates = "0.7.10"
+SIMDPirates = "0.7.11"
 SLEEFPirates = "0.4.4"
 UnPack = "0"
 VectorizationBase = "0.10"

test/broadcast.jl

@@ -108,6 +108,9 @@
             D1 = C .^ 0.3;
             D2 = @avx C .^ 0.3;
             @test D1 ≈ D2
+            @. D1 = C ^ 2;
+            @avx @. D2 = C ^ 2;
+            @test D1 ≈ D2
         end
     end
 end