[Bug fortran/64230] [4.9/5 Regression] Invalid memory reference in a compiler-generated finalizer for allocatable component
mathewc at nag dot co.uk
gcc-bugzilla@gcc.gnu.org
Fri Apr 24 12:39:00 GMT 2015
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64230
Mat Cross <mathewc at nag dot co.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |---
--- Comment #9 from Mat Cross <mathewc at nag dot co.uk> ---
Thanks for the progress so far.
I built 4.9.3 to try on my larger piece of code. The problem still seems
present:
> uname -a
Linux whakarewarewa.nag.co.uk 3.19.4-200.fc21.x86_64 #1 SMP Mon Apr 13 21:43:26
UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
> gfortran --version
GNU Fortran (GCC) 4.9.3 20150415 (prerelease)
> cat test.f90
Program test
Implicit None
Type :: t1
Integer, Allocatable :: i
End Type
Type :: t2
Integer, Allocatable :: i
End Type
Type, Extends (t1) :: t3
Type (t2) :: j
End Type
Type, Extends (t3) :: t4
Integer, Allocatable :: k
End Type
Class (t1), Allocatable :: x
Allocate (t4 :: x)
Deallocate (x)
Print *, 'ok'
End Program
> gfortran test.f90 && ./a.out
Program received signal SIGSEGV: Segmentation fault - invalid memory reference.
Backtrace for this error:
#0 0x2B51E7B11417
#1 0x2B51E7B11A2E
#2 0x3265A3495F
#3 0x401392 in __final_test_T3.2353 at test.f90:?
#4 0x400D45 in __final_test_T4.2342 at test.f90:?
#5 0x400E87 in MAIN__ at test.f90:?
Segmentation fault (core dumped)
Do you see this too?
I hope that reopening this PR is acceptable. If not then just let me know and I
will happily file a new one.
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