https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87143
Bug ID: 87143
Summary: Uninitialized warnings when using automatic array
allocation
Product: gcc
Version: 7.3.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: andrew at fluidgravity dot co.uk
Target Milestone: ---
I get the following warnings when compiling the code below:
> gfortran -Wall -std=f2008 code.f90
code.f90:5:0:
i = [0, 1, 2]
Warning: ‘i.offset’ is used uninitialized in this function [-Wuninitialized]
code.f90:5:0: Warning: ‘i.dim[0].lbound’ is used uninitialized in this function
[-Wuninitialized]
code.f90:5:0: Warning: ‘i.dim[0].ubound’ is used uninitialized in this function
[-Wuninitialized]
code.f90:5:0:
i = [0, 1, 2]
Warning: ‘i.dim[0].lbound’ may be used uninitialized in this function
[-Wmaybe-uninitialized]
code.f90:5:0: Warning: ‘i.dim[0].ubound’ may be used uninitialized in this
function [-Wmaybe-uninitialized]
code.f90:5:0: Warning: ‘i.dim[0].ubound’ may be used uninitialized in this
function [-Wmaybe-uninitialized]
code.f90:5:0: Warning: ‘i.dim[0].lbound’ may be used uninitialized in this
function [-Wmaybe-uninitialized]
> cat code.f90
PROGRAM p
IMPLICIT NONE
INTEGER, ALLOCATABLE :: i(:)
i = [0, 1, 2]
PRINT*,SIZE(i)
PRINT*,i
END PROGRAM p
