http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55469
Bug #: 55469 Summary: memory leak on read with istat.ne.0 Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassig...@gcc.gnu.org ReportedBy: joost.vandevond...@mat.ethz.ch The following testcase leads to memory leaks with gfortran 4.5/4.6/4.7/4.8 (as found by valgrind) 4.1 seems not to leak (but has a couple of warnings). REAL :: z INTEGER :: istat CHARACTER(LEN=3) :: t t="NVE" READ (UNIT=t,FMT=*,IOSTAT=istat) z END note that istat.NE.0 in this case. ==37422== 300 bytes in 1 blocks are definitely lost in loss record 1 of 1 ==37422== at 0x4A057F4: calloc (vg_replace_malloc.c:593) ==37422== by 0x4C298FF: _gfortrani_xcalloc (memory.c:56) ==37422== by 0x4CE2A82: l_push_char.isra.2 (list_read.c:641) ==37422== by 0x4CE3223: read_real (list_read.c:1634) ==37422== by 0x4CE504E: _gfortrani_list_formatted_read (list_read.c:1895)