[Bug tree-optimization/101419] [9/10/11/12 Regression] collapsing memset() calls can break __builtin_object_size()

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101419

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |9.5
            Summary|collapsing memset() calls   |[9/10/11/12 Regression]
                   |can break                   |collapsing memset() calls
                   |__builtin_object_size()     |can break
                   |                            |__builtin_object_size()

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r9-2635-g78ea9abc2018243af7f7ada6135144ac90c6ad27
I wonder if objsz pass when insert_min_max_p shouldn't in addition to adding
MIN_EXPR or MAX_EXPR around the result of __bos also drop the least significant
bit from the __bos second argument.