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add error when passing a non-single-item pointer to allocator.destroy

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xdBronch 2023-07-25 07:01:49 -04:00 committed by Andrew Kelley
parent feff968ec3
commit 737b366279
1 changed files with 1 additions and 0 deletions
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lib/std/mem/Allocator.zig
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@ -110,6 +110,7 @@ pub fn create(self: Allocator, comptime T: type) Error!*T {
/// have the same address and alignment property.
pub fn destroy(self: Allocator, ptr: anytype) void {
const info = @typeInfo(@TypeOf(ptr)).Pointer;
if (info.size != .One) @compileError("ptr must be a single item pointer");
const T = info.child;
if (@sizeOf(T) == 0) return;
const non_const_ptr = @as([*]u8, @ptrCast(@constCast(ptr)));