fixing example again

Author: leios

examples/histogram.jl

@@ -1,9 +1,6 @@
 using KernelAbstractions, Test
 include(joinpath(@__DIR__, "utils.jl")) # Load backend
 
-if Base.VERSION < v"1.7.0"
-    return
-end
 
 # Function to use as a baseline for CPU metrics
 function create_histogram(input)
@@ -83,17 +80,19 @@ end
     histogram_linear_baseline = create_histogram(linear_input)
     histogram_2_baseline = create_histogram(all_2)
 
-    CPU_rand_histogram = zeros(Int, 128)
-    CPU_linear_histogram = zeros(Int, 1024)
-    CPU_2_histogram = zeros(Int, 2)
+    if Base.VERSION >= v"1.7.0"
+        CPU_rand_histogram = zeros(Int, 128)
+        CPU_linear_histogram = zeros(Int, 1024)
+        CPU_2_histogram = zeros(Int, 2)
 
-    wait(histogram!(CPU_rand_histogram, rand_input))
-    wait(histogram!(CPU_linear_histogram, linear_input))
-    wait(histogram!(CPU_2_histogram, all_2))
+        wait(histogram!(CPU_rand_histogram, rand_input))
+        wait(histogram!(CPU_linear_histogram, linear_input))
+        wait(histogram!(CPU_2_histogram, all_2))
 
-    @test isapprox(CPU_rand_histogram, histogram_rand_baseline)
-    @test isapprox(CPU_linear_histogram, histogram_linear_baseline)
-    @test isapprox(CPU_2_histogram, histogram_2_baseline)
+        @test isapprox(CPU_rand_histogram, histogram_rand_baseline)
+        @test isapprox(CPU_linear_histogram, histogram_linear_baseline)
+        @test isapprox(CPU_2_histogram, histogram_2_baseline)
+    end
 
     if has_cuda_gpu()
         CUDA.allowscalar(false)