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authorAndre Vehreschild <vehre@gcc.gnu.org>2016-07-05 14:06:22 +0200
committerAndre Vehreschild <vehre@gcc.gnu.org>2016-07-05 14:06:22 +0200
commit69aaea0663eb3b05d0f16bd045000e54b8f109b1 (patch)
treec3d4d2f2beac490ce640b791da252fa323b81e0f /gcc/fortran
parentb0ad2d78b237380c47f92a8f61e257a1e434a3fe (diff)
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re PR fortran/71623 (Segfault when allocating deferred-length characters to size of a pointer)
gcc/fortran/ChangeLog: 2016-07-05 Andre Vehreschild <vehre@gcc.gnu.org> PR fortran/71623 * trans-stmt.c (gfc_trans_allocate): Add code of pre block of typespec in allocate to parent block. gcc/testsuite/ChangeLog: 2016-07-05 Andre Vehreschild <vehre@gcc.gnu.org> PR fortran/71623 * gfortran.dg/deferred_character_17.f90: New test. From-SVN: r238002
Diffstat (limited to 'gcc/fortran')
-rw-r--r--gcc/fortran/ChangeLog6
-rw-r--r--gcc/fortran/trans-stmt.c21
2 files changed, 22 insertions, 5 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index f833b97..0947d6d 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2016-07-05 Andre Vehreschild <vehre@gcc.gnu.org>
+
+ PR fortran/71623
+ * trans-stmt.c (gfc_trans_allocate): Add code of pre block of typespec
+ in allocate to parent block.
+
2016-07-04 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/66575
diff --git a/gcc/fortran/trans-stmt.c b/gcc/fortran/trans-stmt.c
index 84bf749..5aa7778 100644
--- a/gcc/fortran/trans-stmt.c
+++ b/gcc/fortran/trans-stmt.c
@@ -5696,9 +5696,11 @@ gfc_trans_allocate (gfc_code * code)
tmp = gfc_get_char_type (code->ext.alloc.ts.kind);
tmp = TYPE_SIZE_UNIT (tmp);
tmp = fold_convert (TREE_TYPE (se_sz.expr), tmp);
+ gfc_add_block_to_block (&block, &se_sz.pre);
expr3_esize = fold_build2_loc (input_location, MULT_EXPR,
TREE_TYPE (se_sz.expr),
tmp, se_sz.expr);
+ expr3_esize = gfc_evaluate_now (expr3_esize, &block);
}
}
@@ -5897,6 +5899,7 @@ gfc_trans_allocate (gfc_code * code)
source= or mold= expression. */
gfc_init_se (&se_sz, NULL);
gfc_conv_expr (&se_sz, code->ext.alloc.ts.u.cl->length);
+ gfc_add_block_to_block (&block, &se_sz.pre);
gfc_add_modify (&block, al_len,
fold_convert (TREE_TYPE (al_len),
se_sz.expr));
@@ -5981,11 +5984,19 @@ gfc_trans_allocate (gfc_code * code)
specified by a type spec for deferred length character
arrays or unlimited polymorphic objects without a
source= or mold= expression. */
- gfc_init_se (&se_sz, NULL);
- gfc_conv_expr (&se_sz, code->ext.alloc.ts.u.cl->length);
- gfc_add_modify (&block, al_len,
- fold_convert (TREE_TYPE (al_len),
- se_sz.expr));
+ if (expr3_esize == NULL_TREE || code->ext.alloc.ts.kind != 1)
+ {
+ gfc_init_se (&se_sz, NULL);
+ gfc_conv_expr (&se_sz, code->ext.alloc.ts.u.cl->length);
+ gfc_add_block_to_block (&block, &se_sz.pre);
+ gfc_add_modify (&block, al_len,
+ fold_convert (TREE_TYPE (al_len),
+ se_sz.expr));
+ }
+ else
+ gfc_add_modify (&block, al_len,
+ fold_convert (TREE_TYPE (al_len),
+ expr3_esize));
}
else
/* No length information needed, because type to allocate