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-rw-r--r--test/behavior/ptrcast.zig3
1 files changed, 2 insertions, 1 deletions
diff --git a/test/behavior/ptrcast.zig b/test/behavior/ptrcast.zig
index 4e9283b3a4..215fd447f0 100644
--- a/test/behavior/ptrcast.zig
+++ b/test/behavior/ptrcast.zig
@@ -265,7 +265,8 @@ test "comptime @ptrCast a subset of an array, then write through it" {
var buff: [16]u8 align(4) = undefined;
const len_bytes = @as(*u32, @ptrCast(&buff));
len_bytes.* = 16;
- std.mem.copy(u8, buff[4..], "abcdef");
+ const source = "abcdef";
+ @memcpy(buff[4 .. 4 + source.len], source);
}
}