From 1ecf150a33b033959d34f607fcb89c4cd4ea2eec Mon Sep 17 00:00:00 2001
From: Ellipse0934 <Ellipse0934@github.com>
Date: Wed, 15 Jul 2020 19:44:59 +0530
Subject: [PATCH] fix  when length = 0

---
 src/host/construction.jl       | 1 +
 test/testsuite/construction.jl | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/src/host/construction.jl b/src/host/construction.jl
index f55ddc63..43b57f5d 100644
--- a/src/host/construction.jl
+++ b/src/host/construction.jl
@@ -9,6 +9,7 @@ function Base.fill(X::Type{<: AbstractGPUArray{T}}, val, dims::NTuple{N, Integer
     fill!(res, convert(T, val))
 end
 function Base.fill!(A::AbstractGPUArray{T}, x) where T
+    length(A) == 0 && return A
     gpu_call(A, convert(T, x)) do ctx, a, val
         idx = @linearidx(a, ctx)
         @inbounds a[idx] = val
diff --git a/test/testsuite/construction.jl b/test/testsuite/construction.jl
index 97bc6526..4b3fb362 100644
--- a/test/testsuite/construction.jl
+++ b/test/testsuite/construction.jl
@@ -152,6 +152,14 @@ end
         @test all(x-> x == 2f0, Array(x1))
         @test all(x-> x == Int32(77), Array(x2))
 
+        x = fill(zero(T), (0, 2))
+        x1 = fill(AT{T}, T(0), (0, 2))
+        x2 = fill(AT{T}, T(0), (0, 2))
+        x3 = fill(AT{T, 2}, T(0), (0, 2))
+        @test Array(x1) ≈ x
+        @test Array(x2) ≈ x
+        @test Array(x3) ≈ x
+
         x = Matrix{T}(I, 4, 2)
 
         x1 = AT{T, 2}(I, 4, 2)