[Bug target/84272] [7/8 Regression] AddressSanitizer: heap-use-after-free ../../gcc/config/aarch64/cortex-a57-fma-steering.c:519 in fma_node::get_parity()

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84272

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P1                          |P2
             Status|RESOLVED                    |REOPENED
      Known to work|                            |8.1.0
         Resolution|FIXED                       |---
   Target Milestone|8.0                         |7.5
            Summary|[8 Regression]              |[7/8 Regression]
                   |AddressSanitizer:           |AddressSanitizer:
                   |heap-use-after-free         |heap-use-after-free
                   |../../gcc/config/aarch64/co |../../gcc/config/aarch64/co
                   |rtex-a57-fma-steering.c:519 |rtex-a57-fma-steering.c:519
                   |in fma_node::get_parity()   |in fma_node::get_parity()
      Known to fail|                            |7.4.0

--- Comment #14 from Richard Biener <rguenth at gcc dot gnu.org> ---
I have a testcase that ICEs on this on the GCC 7 branch where the patch applies
1:1.  Doing a build&test cycle on aarch64 now and will backport.