https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122002
--- Comment #7 from Jerry DeLisle <jvdelisle2 at gmail dot com> --- On 9/19/25 10:28 AM, anlauf at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122002 > > --- Comment #5 from anlauf at gcc dot gnu.org --- > (In reply to Jerry DeLisle from comment #4) >> Now I wonder why I dont see it here. > > Can you run: > > valgrind --leak-check=full --track-origins=yes /path/to/f951 -quiet -pedantic > pdt_13.f03 > > I get something similar to Sam: > > ==17800== Conditional jump or move depends on uninitialised value(s) > ==17800== at 0x590F46A: __printf_buffer (in /lib64/libc.so.6) > ==17800== by 0x592A1F8: __vsprintf_internal (in /lib64/libc.so.6) > ==17800== by 0x590B180: sprintf (in /lib64/libc.so.6) > ==17800== by 0xA24B24: gfc_get_pdt_instance(gfc_actual_arglist*, > gfc_symbol**, gfc_actual_arglist**) (decl.cc:4065) > ==17800== by 0xAC5F35: gfc_match_rvalue(gfc_expr**) (primary.cc:4091) > ==17800== by 0xA80D12: match_primary (matchexp.cc:217) > ==17800== by 0xA80D12: match_level_1 (matchexp.cc:267) > ==17800== by 0xA80D12: match_mult_operand(gfc_expr**) (matchexp.cc:323) > ==17800== by 0xA80FDC: match_add_operand(gfc_expr**) (matchexp.cc:412) > ==17800== by 0xA812D9: match_level_2(gfc_expr**) (matchexp.cc:536) > ==17800== by 0xA814BA: match_level_3(gfc_expr**) (matchexp.cc:607) > ==17800== by 0xA81602: match_level_4 (matchexp.cc:655) > ==17800== by 0xA81602: match_and_operand(gfc_expr**) (matchexp.cc:749) > ==17800== by 0xA817DA: match_or_operand(gfc_expr**) (matchexp.cc:778) > ==17800== by 0xA818EA: match_equiv_operand(gfc_expr**) (matchexp.cc:821) > ==17800== Uninitialised value was created by a stack allocation > ==17800== at 0xA2498F: gfc_get_pdt_instance(gfc_actual_arglist*, > gfc_symbol**, gfc_actual_arglist**) (decl.cc:3878) > ==17800== > ==17800== Use of uninitialised value of size 8 > ==17800== at 0x590436B: _itoa_word (in /lib64/libc.so.6) > ==17800== by 0x590E913: __printf_buffer (in /lib64/libc.so.6) > ==17800== by 0x592A1F8: __vsprintf_internal (in /lib64/libc.so.6) > ==17800== by 0x590B180: sprintf (in /lib64/libc.so.6) > ==17800== by 0xA24B24: gfc_get_pdt_instance(gfc_actual_arglist*, > gfc_symbol**, gfc_actual_arglist**) (decl.cc:4065) > ... > I have to head out for a bit. I did regression test the patch that was submitted. I am guessing something got mixed up on the commit which I am just now building. I will get back to this when I return. Jerry
