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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 /gcc/fortran/trans-expr.c | |
| 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
Diffstat (limited to 'gcc/fortran/trans-expr.c')
| -rw-r--r-- | gcc/fortran/trans-expr.c | 14 |
1 files changed, 14 insertions, 0 deletions
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); + } } |