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| author | Feng Wang <fengwang@nudt.edu.cn> | 2005-03-15 02:52:38 +0000 |
|---|---|---|
| committer | Feng Wang <fengwang@gcc.gnu.org> | 2005-03-15 02:52:38 +0000 |
| commit | ce2df7c64ae0185dab22bb38628acf8ae48551b7 (patch) | |
| tree | 9d626c10efe2ea1ff72bf8bd94fa123c776b3dad /gcc/fortran/trans-common.c | |
| parent | 08091139067ee2565a3ad248bd0113e521a425ee (diff) | |
| download | gcc-ce2df7c64ae0185dab22bb38628acf8ae48551b7.zip gcc-ce2df7c64ae0185dab22bb38628acf8ae48551b7.tar.gz gcc-ce2df7c64ae0185dab22bb38628acf8ae48551b7.tar.bz2 | |
re PR fortran/18827 (ICE on assign to common variable)
fortran/
2005-03-15 Feng Wang <fengwang@nudt.edu.cn>
PR fortran/18827
* io.c (resolve_tag): Add checking on assigned label.
(match_dt_format): Does not set symbol assign attribute.
* match.c (gfc_match_goto):Does not set symbol assign attribute.
* resolve.c (resolve_code): Add checking on assigned label.
* trans-common.c (build_field): Deals with common variable assigned
a label.
* trans-stmt.c (gfc_conv_label_variable): New function.
(gfc_trans_label_assign): Use it.
(gfc_trans_goto): Ditto.
* trans-io.c (set_string): Ditto.
* trans.h (gfc_conv_label_variable): Add prototype.
testsuite/
2005-03-15 Feng Wang <fengwang@nudt.edu.cn>
PR fortran/18827
* gfortran.dg/assign_2.f90: New test.
* gfortran.dg/assign_3.f90: New test.
* gfortran.dg/assign.f90: New test.
From-SVN: r96467
Diffstat (limited to 'gcc/fortran/trans-common.c')
| -rw-r--r-- | gcc/fortran/trans-common.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/gcc/fortran/trans-common.c b/gcc/fortran/trans-common.c index c62d68d..c8db6e7 100644 --- a/gcc/fortran/trans-common.c +++ b/gcc/fortran/trans-common.c @@ -242,6 +242,27 @@ build_field (segment_info *h, tree union_type, record_layout_info rli) size_binop (PLUS_EXPR, DECL_FIELD_OFFSET (field), DECL_SIZE_UNIT (field))); + /* If this field is assigned to a label, we create another two variables. + One will hold the address of taget label or format label. The other will + hold the length of format label string. */ + if (h->sym->attr.assign) + { + tree len; + tree addr; + + gfc_allocate_lang_decl (field); + GFC_DECL_ASSIGN (field) = 1; + len = gfc_create_var_np (gfc_charlen_type_node,h->sym->name); + addr = gfc_create_var_np (pvoid_type_node, h->sym->name); + TREE_STATIC (len) = 1; + TREE_STATIC (addr) = 1; + DECL_INITIAL (len) = build_int_cst (NULL_TREE, -2); + gfc_set_decl_location (len, &h->sym->declared_at); + gfc_set_decl_location (addr, &h->sym->declared_at); + GFC_DECL_STRING_LEN (field) = pushdecl_top_level (len); + GFC_DECL_ASSIGN_ADDR (field) = pushdecl_top_level (addr); + } + h->field = field; } @@ -434,7 +455,7 @@ create_common (gfc_common_head *com, segment_info * head) for (s = head; s; s = next_s) { s->sym->backend_decl = build3 (COMPONENT_REF, TREE_TYPE (s->field), - decl, s->field, NULL_TREE); + decl, s->field, NULL_TREE); next_s = s->next; gfc_free (s); |