https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120656

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2025-06-14
           Keywords|                            |wrong-code

--- Comment #1 from anlauf at gcc dot gnu.org ---
Confirmed when compiling with -O0 or -Og.

Works here at -O1 and higher.  However, valgrind complains:

 SIZE(F1) =            1
==29400== Invalid read of size 8
==29400==    at 0x400B28: MAIN__ (pr120656.f90:18)
==29400==    by 0x400C24: main (pr120656.f90:19)
==29400==  Address 0x4f3ed10 is 8 bytes after a block of size 72 free'd
==29400==    at 0x484470B: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==29400==    by 0x400B27: MAIN__ (pr120656.f90:18)
==29400==    by 0x400C24: main (pr120656.f90:19)
==29400==  Block was alloc'd at
==29400==    at 0x48489BC: realloc (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==29400==    by 0x400AEB: MAIN__ (pr120656.f90:18)
==29400==    by 0x400C24: main (pr120656.f90:19)
==29400== 
 SIZE(F2) =            1

Reply via email to