[Bug tree-optimization/57742] memset(malloc(n),0,n) -> calloc(n,1)

[Joost.VandeVondele at mat dot ethz.ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57742

Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> changed:

           What    |Removed                     |Added
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                 CC|                            |Joost.VandeVondele at mat dot 
ethz
                   |                            |.ch

--- Comment #3 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> 
---
just wondering if this would also catch a Fortran testcase, which compiles into
malloc and memset:

MODULE M
  REAL*8, DIMENSION(:), ALLOCATABLE, SAVE :: data
  INTEGER, PARAMETER :: n=2**16
CONTAINS
  SUBROUTINE TEST
    ALLOCATE(data(n))
    data(:)=0
  END SUBROUTINE
END MODULE