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| author | Dominique d'Humieres <dominiq@lps.ens.fr> | 2014-06-10 13:42:38 +0200 |
|---|---|---|
| committer | Dominique d'Humieres <dominiq@gcc.gnu.org> | 2014-06-10 13:42:38 +0200 |
| commit | 5933f9ae4f8d7b9dec44ec95e70fcc543a616839 (patch) | |
| tree | 2441a277b636ff7fa134f35b5860ed41ba4af0ec | |
| parent | 5625721fbbf403e891fd6988bdf62fa0ad24c6be (diff) | |
| download | gcc-5933f9ae4f8d7b9dec44ec95e70fcc543a616839.zip gcc-5933f9ae4f8d7b9dec44ec95e70fcc543a616839.tar.gz gcc-5933f9ae4f8d7b9dec44ec95e70fcc543a616839.tar.bz2 | |
re PR fortran/41936 (Memory leakage with allocatables and user-defined operators)
2014-06-10 Dominique d'Humieres <dominiq@lps.ens.fr>
Mikael Morin <mikael@gcc.gnu.org>
PR fortran/41936
gcc/fortran/
* trans-expr.c (gfc_conv_expr_reference): Deallocate array
components.
gcc/testsuite/
* gfortran.dg/class_array_15.f03: Check memory leaks.
Co-Authored-By: Mikael Morin <mikael@gcc.gnu.org>
From-SVN: r211405
| -rw-r--r-- | gcc/fortran/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/fortran/trans-expr.c | 14 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/class_array_15.f03 | 3 |
4 files changed, 30 insertions, 0 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index f945dd1..bdc102b 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,10 @@ +2014-06-10 Dominique d'Humieres <dominiq@lps.ens.fr> + Mikael Morin <mikael@gcc.gnu.org> + + PR fortran/41936 + * trans-expr.c (gfc_conv_expr_reference): Deallocate array + components. + 2014-06-10 Jakub Jelinek <jakub@redhat.com> PR fortran/60928 diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c index 5a50122..5338b09 100644 --- a/gcc/fortran/trans-expr.c +++ b/gcc/fortran/trans-expr.c @@ -6506,6 +6506,20 @@ gfc_conv_expr_reference (gfc_se * se, gfc_expr * expr) /* Take the address of that value. */ se->expr = gfc_build_addr_expr (NULL_TREE, var); + if (expr->ts.type == BT_DERIVED && expr->rank + && !gfc_is_finalizable (expr->ts.u.derived, NULL) + && expr->ts.u.derived->attr.alloc_comp + && expr->expr_type != EXPR_VARIABLE) + { + tree tmp; + + tmp = build_fold_indirect_ref_loc (input_location, se->expr); + tmp = gfc_deallocate_alloc_comp (expr->ts.u.derived, tmp, expr->rank); + + /* The components shall be deallocated before + their containing entity. */ + gfc_prepend_expr_to_block (&se->post, tmp); + } } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index e86cb9b..175bbeb 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2014-06-10 Dominique d'Humieres <dominiq@lps.ens.fr> + Mikael Morin <mikael@gcc.gnu.org> + + PR fortran/41936 + * gfortran.dg/class_array_15.f03: Check memory leaks. + 2014-06-10 Richard Biener <rguenther@suse.de> PR tree-optimization/57186 diff --git a/gcc/testsuite/gfortran.dg/class_array_15.f03 b/gcc/testsuite/gfortran.dg/class_array_15.f03 index 7d1d4d7..d3a1232 100644 --- a/gcc/testsuite/gfortran.dg/class_array_15.f03 +++ b/gcc/testsuite/gfortran.dg/class_array_15.f03 @@ -1,4 +1,5 @@ ! { dg-do run } +! { dg-options "-fdump-tree-original" } ! ! Tests the fixes for three bugs with the same underlying cause. All are regressions ! that come about because class array elements end up with a different tree type @@ -114,3 +115,5 @@ subroutine pr54992 ! This test remains as the original. bh => bhGet(b,instance=2) if (loc (b) .ne. loc(bh%hostNode)) call abort end +! { dg-final { scan-tree-dump-times "builtin_free" 12 "original" } } +! { dg-final { cleanup-tree-dump "original" } } |