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
