[PATCH] mtrace: Fix output with PIE and ASLR [BZ #22716]

[Siddhesh Poyarekar]

On 7/22/21 8:15 PM, John Ogness via Libc-alpha wrote:
> OK, but settings MALLOC_TRACE will cause the memory addresses to be
> stored. So it is l_addr that must be subtracted for addr2line.

I forgot to mention that you cannot subtract across two different runs 
like that because they will have different base addresses due to ASLR.

Siddhesh