[Bug fortran/59589] Memory leak when deallocating polymorphic
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59589 --- Comment #4 from Dominique d'Humieres dominiq at lps dot ens.fr --- On x86_64-apple-darwin10.8, gcc version 4.8.2, with the call system line commented, valgrind gives: ==42524== HEAP SUMMARY: ==42524== in use at exit: 88 bytes in 1 blocks ==42524== total heap usage: 37 allocs, 36 frees, 400,004,301 bytes allocated ==42524== ==42524== LEAK SUMMARY: ==42524==definitely lost: 0 bytes in 0 blocks ==42524==indirectly lost: 0 bytes in 0 blocks ==42524== possibly lost: 0 bytes in 0 blocks ==42524==still reachable: 0 bytes in 0 blocks ==42524== suppressed: 88 bytes in 1 blocks ==42524== ==42524== For counts of detected and suppressed errors, rerun with: -v ==42524== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0) (I don't have valgrind for darwin13).
[Bug fortran/59589] Memory leak when deallocating polymorphic
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59589 --- Comment #5 from Dominique d'Humieres dominiq at lps dot ens.fr --- The test also succeeds on x86_64-apple-darwin13 (clean r206033 or heavily patched r206191) when compiled with -fsanitize=leak.
[Bug fortran/59589] Memory leak when deallocating polymorphic
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59589 Harald Anlauf anlauf at gmx dot de changed: What|Removed |Added CC||anlauf at gmx dot de --- Comment #6 from Harald Anlauf anlauf at gmx dot de --- (In reply to Dominique d'Humieres from comment #4) On x86_64-apple-darwin10.8, gcc version 4.8.2, with the call system line commented, valgrind gives: ==42524== HEAP SUMMARY: ==42524== in use at exit: 88 bytes in 1 blocks ==42524== total heap usage: 37 allocs, 36 frees, 400,004,301 bytes allocated ==42524== ==42524== LEAK SUMMARY: ==42524==definitely lost: 0 bytes in 0 blocks ==42524==indirectly lost: 0 bytes in 0 blocks ==42524== possibly lost: 0 bytes in 0 blocks ==42524==still reachable: 0 bytes in 0 blocks ==42524== suppressed: 88 bytes in 1 blocks ==42524== ==42524== For counts of detected and suppressed errors, rerun with: -v ==42524== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0) (I don't have valgrind for darwin13). On i686-pc-linux-gnu, 4.9.0, and reducing the array size by 1/10, I get: ==31916== HEAP SUMMARY: ==31916== in use at exit: 40,000,000 bytes in 10 blocks ==31916== total heap usage: 61 allocs, 51 frees, 40,007,249 bytes allocated ==31916== ==31916== 4,000,000 bytes in 1 blocks are possibly lost in loss record 1 of 2 ==31916==at 0x402913D: malloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so) ==31916==by 0x8049F45: main (test_leak.f90:24) ==31916== ==31916== 36,000,000 bytes in 9 blocks are definitely lost in loss record 2 of 2 ==31916==at 0x402913D: malloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so) ==31916==by 0x8049F45: main (test_leak.f90:24) ==31916== ==31916== LEAK SUMMARY: ==31916==definitely lost: 36,000,000 bytes in 9 blocks ==31916==indirectly lost: 0 bytes in 0 blocks ==31916== possibly lost: 4,000,000 bytes in 1 blocks ==31916==still reachable: 0 bytes in 0 blocks ==31916== suppressed: 0 bytes in 0 blocks
[Bug fortran/59589] Memory leak when deallocating polymorphic
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59589 Dominique d'Humieres dominiq at lps dot ens.fr changed: What|Removed |Added Status|WAITING |NEW --- Comment #7 from Dominique d'Humieres dominiq at lps dot ens.fr --- On i686-pc-linux-gnu, 4.9.0, and reducing the array size by 1/10, I get: ... So confirmed. It looks like something is not properly initialized.
[Bug fortran/59589] Memory leak when deallocating polymorphic
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59589 --- Comment #8 from Harald Anlauf anlauf at gmx dot de --- No lag with 4.8.0 (or 4.7.x) on same machine: ==8545== HEAP SUMMARY: ==8545== in use at exit: 0 bytes in 0 blocks ==8545== total heap usage: 41 allocs, 41 frees, 40,007,187 bytes allocated ==8545== ==8545== All heap blocks were freed -- no leaks are possible So it's actually a regression.
[Bug fortran/59589] Memory leak when deallocating polymorphic
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59589 --- Comment #1 from Rich Townsend townsend at astro dot wisc.edu --- Oops, missed out details. This is with rev. 206179, on both OS X and Linux.
[Bug fortran/59589] Memory leak when deallocating polymorphic
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59589 Dominique d'Humieres dominiq at lps dot ens.fr changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed||2013-12-24 Ever confirmed|0 |1 --- Comment #2 from Dominique d'Humieres dominiq at lps dot ens.fr --- Works for me on OS X for 4.8.2 or trunk. What command are you using?
[Bug fortran/59589] Memory leak when deallocating polymorphic
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59589 --- Comment #3 from Rich Townsend townsend at astro dot wisc.edu --- (In reply to Dominique d'Humieres from comment #2) Works for me on OS X for 4.8.2 or trunk. What command are you using? townsend@talos ~ $ gfortran -v Using built-in specs. COLLECT_GCC=/Applications/madsdk/bin/gfortran.exec COLLECT_LTO_WRAPPER=/Applications/madsdk/libexec/gcc/x86_64-apple-darwin11.4.2/4.9.0/lto-wrapper Target: x86_64-apple-darwin11.4.2 Configured with: ./configure CC='gcc -D_FORTIFY_SOURCE=0' --build=x86_64-apple-darwin11.4.2 --prefix=/Applications/madsdk --with-gmp=/Applications/madsdk --with-mpfr=/Applications/madsdk --with-mpc=/Applications/madsdk --enable-languages=c,c++,fortran --disable-multilib --disable-nls --disable-libsanitizer Thread model: posix gcc version 4.9.0 20131223 (experimental) (GCC) townsend@talos ~ $ gfortran -o test_leak test_leak.f90 townsend@talos ~ $ ./test_leak ./test_leak 39688 ./test_leak 78764 ./test_leak 117828 ./test_leak 156908 ./test_leak 195972 ./test_leak 235036 ./test_leak 274100 ./test_leak 313164 ./test_leak 352228 ./test_leak 391292 ...so, the memory usage grows on each iteration of the loop; this suggests a leak.
