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* [gcc r12-2303] Fortran - ICE in gfc_conv_expr_present initializing non-dummy class variable
@ 2021-07-14 15:25 Harald Anlauf
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From: Harald Anlauf @ 2021-07-14 15:25 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:269ca408e2839d7f3554a91515d73d4d95352f68
commit r12-2303-g269ca408e2839d7f3554a91515d73d4d95352f68
Author: Harald Anlauf <anlauf@gmx.de>
Date: Wed Jul 14 17:25:29 2021 +0200
Fortran - ICE in gfc_conv_expr_present initializing non-dummy class variable
gcc/fortran/ChangeLog:
PR fortran/100949
* trans-expr.c (gfc_trans_class_init_assign): Call
gfc_conv_expr_present only for dummy variables.
gcc/testsuite/ChangeLog:
PR fortran/100949
* gfortran.dg/pr100949.f90: New test.
Diff:
---
gcc/fortran/trans-expr.c | 5 +++--
gcc/testsuite/gfortran.dg/pr100949.f90 | 10 ++++++++++
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c
index de406ad2e8f..9e0dcdefd25 100644
--- a/gcc/fortran/trans-expr.c
+++ b/gcc/fortran/trans-expr.c
@@ -1741,8 +1741,9 @@ gfc_trans_class_init_assign (gfc_code *code)
}
}
- if (code->expr1->symtree->n.sym->attr.optional
- || code->expr1->symtree->n.sym->ns->proc_name->attr.entry_master)
+ if (code->expr1->symtree->n.sym->attr.dummy
+ && (code->expr1->symtree->n.sym->attr.optional
+ || code->expr1->symtree->n.sym->ns->proc_name->attr.entry_master))
{
tree present = gfc_conv_expr_present (code->expr1->symtree->n.sym);
tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (tmp),
diff --git a/gcc/testsuite/gfortran.dg/pr100949.f90 b/gcc/testsuite/gfortran.dg/pr100949.f90
new file mode 100644
index 00000000000..6c736fd7f72
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr100949.f90
@@ -0,0 +1,10 @@
+! { dg-do compile }
+! PR fortran/100949 - ICE in gfc_conv_expr_present, at fortran/trans-expr.c:1975
+
+subroutine s
+entry f
+ type t
+ end type
+ class(t), allocatable :: y, z
+ allocate (z, mold=y)
+end
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