fix comptime slice of pointer to array

closes #1565

1 files changed, 13 insertions, 0 deletions

diff --git a/test/cases/eval.zig b/test/cases/eval.zig
index acb3da72c7..6e64a64aee 100644
--- a/test/cases/eval.zig
+++ b/test/cases/eval.zig
@@ -710,3 +710,16 @@ test "@bytesToslice on a packed struct" {
     var f = @bytesToSlice(F, b);
     assert(f[0].a == 9);
 }
+
+test "comptime pointer cast array and then slice" {
+    const array = []u8{ 1, 2, 3, 4, 5, 6, 7, 8 };
+
+    const ptrA: [*]const u8 = @ptrCast([*]const u8, &array);
+    const sliceA: []const u8 = ptrA[0..2];
+
+    const ptrB: [*]const u8 = &array;
+    const sliceB: []const u8 = ptrB[0..2];
+
+    assert(sliceA[1] == 2);
+    assert(sliceB[1] == 2);
+}