https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61831
Bug ID: 61831 Summary: [4.9.1 regression] runtime error: pointer being freed was not allocated Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: juergen.reuter at desy dot de Our code, WHIZARD 2.2.2, crashes in its self test smtest_5 with the following runtime error: whizard(46878) malloc: *** error for object 0x7faf83d7e270: pointer being freed was not allocated *** set a breakpoint in malloc_error_break to debug Program received signal SIGABRT: Process abort signal. Backtrace for this error: #0 0x1102fb0b2 #1 0x1102fb86e #2 0x7fff8a300cf9 Abort trap: 6 Our code can be found here: http://www.hepforge.org/archive/whizard/whizard-2.2.2.tar.gz It can be configured with ./configure --disable-ocaml --prefix=<your path> then just do make, make install and run the code as ./whizard smtest_5.sin from the share/tests folder. We try to isolate the problem, but are not confident to manage to do that in a certain amount of time.