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better debug info if dec on invalid pointer

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Folkert 2023-05-14 18:01:47 +02:00
parent dd8739b847
commit 317a8880c1
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1 changed files with 6 additions and 1 deletions
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7
crates/compiler/builtins/bitcode/src/utils.zig
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@ -258,6 +258,11 @@ inline fn decref_ptr_to_refcount(
) void {
if (RC_TYPE == Refcount.none) return;
const extra_bytes = std.math.max(alignment, @sizeOf(usize));
if (DEBUG_INCDEC and builtin.target.cpu.arch != .wasm32) {
std.debug.print("| decrement {*}: ", .{refcount_ptr});
}
// Ensure that the refcount is not whole program lifetime.
const refcount: isize = refcount_ptr[0];
if (refcount != REFCOUNT_MAX_ISIZE) {
@ -271,7 +276,7 @@ inline fn decref_ptr_to_refcount(
const oldH = old - REFCOUNT_ONE + 1;
const newH = new - REFCOUNT_ONE + 1;
std.debug.print("| decrement {*}: {} - 1 = {}!\n", .{ refcount_ptr, oldH, newH });
std.debug.print("{} - 1 = {}!\n", .{ oldH, newH });
}
if (refcount == REFCOUNT_ONE_ISIZE) {