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* [gcc r14-8992] Fortran: namelist-object-name renaming.
@ 2024-02-14 22:43 Jerry DeLisle
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From: Jerry DeLisle @ 2024-02-14 22:43 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:8221201cc59870579b9dc451b173f94b8d8b0993
commit r14-8992-g8221201cc59870579b9dc451b173f94b8d8b0993
Author: Steve Kargl <kargl@gcc.gnu.org>
Date: Wed Feb 14 14:40:16 2024 -0800
Fortran: namelist-object-name renaming.
PR fortran/105847
gcc/fortran/ChangeLog:
* trans-io.cc (transfer_namelist_element): When building the
namelist object name, if the use rename attribute is set, use
the local name specified in the use statement.
gcc/testsuite/ChangeLog:
* gfortran.dg/pr105847.f90: New test.
Diff:
---
gcc/fortran/trans-io.cc | 6 ++++--
gcc/testsuite/gfortran.dg/pr105847.f90 | 39 ++++++++++++++++++++++++++++++++++
2 files changed, 43 insertions(+), 2 deletions(-)
diff --git a/gcc/fortran/trans-io.cc b/gcc/fortran/trans-io.cc
index 3cde1dabd60c..ee2cc560cdfa 100644
--- a/gcc/fortran/trans-io.cc
+++ b/gcc/fortran/trans-io.cc
@@ -1692,8 +1692,10 @@ transfer_namelist_element (stmtblock_t * block, const char * var_name,
gcc_assert (sym || c);
/* Build the namelist object name. */
-
- string = gfc_build_cstring_const (var_name);
+ if (sym && !sym->attr.use_only && sym->attr.use_rename)
+ string = gfc_build_cstring_const (sym->ns->use_stmts->rename->local_name);
+ else
+ string = gfc_build_cstring_const (var_name);
string = gfc_build_addr_expr (pchar_type_node, string);
/* Build ts, as and data address using symbol or component. */
diff --git a/gcc/testsuite/gfortran.dg/pr105847.f90 b/gcc/testsuite/gfortran.dg/pr105847.f90
new file mode 100644
index 000000000000..9a89d3971c58
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr105847.f90
@@ -0,0 +1,39 @@
+! { dg-do run }
+module m
+ integer :: name_in_module = 123
+end module
+
+program foo
+
+ use m, name_in_program => name_in_module
+ namelist /nl/ name_in_program
+
+ if (name_in_program /= 123) stop 1
+
+ open(unit=10, file='fort.10', status='replace')
+ write(10,nl)
+ close(10)
+
+ name_in_program = 42
+ if (name_in_program /= 42) stop 2
+
+ open(unit=10, file='fort.10', status='old')
+ read(10,nl)
+ if (name_in_program /= 123) stop 3
+ close(10)
+
+ call bar
+
+ contains
+
+ subroutine bar
+ integer name_in_program
+ namelist /nl/ name_in_program
+ name_in_program = 0
+ open(unit=10, file='fort.10', status='old')
+ read(10,nl)
+ if (name_in_program /= 123) stop 4
+ close(10,status='delete')
+ end subroutine bar
+
+end
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