re PR fortran/14771 (frontend doesn't record parentheses)

fortran/
	PR fortran/14771
	* arith.c (eval_intrinsic): Accept INTRINSIC_PARENTHESES.
	* expr.c (check_intrinsic_op): Likewise.
	* module.c (mio_expr): Likewise.
testsuite/
	PR fortran/14771
	* gfortran.dg/parens_4.f90: New.
	* gfortran.dg/parens_5.f90: New.

From-SVN: r110840

7 files changed, 54 insertions, 0 deletions

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 2d71f42..115e3c2 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,10 @@
+2006-02-10  Tobias Schl��ter  <tobias.schlueter@physik.uni-muenchen.de>
+
+	PR fortran/14771
+	* arith.c (eval_intrinsic): Accept INTRINSIC_PARENTHESES.
+	* expr.c (check_intrinsic_op): Likewise.
+	* module.c (mio_expr): Likewise.
+
 2006-02-09  Tobias Schl��ter  <tobias.schlueter@physik.uni-muenchen.de>
 
 	* dump-parse-tree.c: Update copyright years.
diff --git a/gcc/fortran/arith.c b/gcc/fortran/arith.c
index aac3cb4..a65447a 100644
--- a/gcc/fortran/arith.c
+++ b/gcc/fortran/arith.c
@@ -1507,6 +1507,12 @@ eval_intrinsic (gfc_intrinsic_op operator,
       unary = 1;
       break;
 
+    case INTRINSIC_PARENTHESES:
+      temp.ts = op1->ts;
+
+      unary = 1;
+      break;
+
     case INTRINSIC_GE:
     case INTRINSIC_LT:		/* Additional restrictions  */
     case INTRINSIC_LE:          /* for ordering relations.  */
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c
index c72281c..28a2fc8 100644
--- a/gcc/fortran/expr.c
+++ b/gcc/fortran/expr.c
@@ -1344,6 +1344,9 @@ check_intrinsic_op (gfc_expr * e, try (*check_function) (gfc_expr *))
 
       break;
 
+    case INTRINSIC_PARENTHESES:
+      break;
+
     default:
       gfc_error ("Only intrinsic operators can be used in expression at %L",
 		 &e->where);
diff --git a/gcc/fortran/module.c b/gcc/fortran/module.c
index b2505cc..c32fe0b 100644
--- a/gcc/fortran/module.c
+++ b/gcc/fortran/module.c
@@ -2514,6 +2514,7 @@ mio_expr (gfc_expr ** ep)
 	case INTRINSIC_UPLUS:
 	case INTRINSIC_UMINUS:
 	case INTRINSIC_NOT:
+	case INTRINSIC_PARENTHESES:
 	  mio_expr (&e->value.op.op1);
 	  break;
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d28ecef..9862bdb 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2006-02-10  Tobias Schl�ter  <tobias.schlueter@physik.uni-muenchen.de>
+
+	PR fortran/14771
+	* gfortran.dg/parens_4.f90: New.
+	* gfortran.dg/parens_5.f90: New.
+
 2006-02-10  Richard Guenther  <rguenther@suse.de>
 
 	* testsuite/gcc.dg/pr23372-1.c: Remove empty file.
diff --git a/gcc/testsuite/gfortran.dg/parens_4.f90 b/gcc/testsuite/gfortran.dg/parens_4.f90
new file mode 100644
index 0000000..1678ce7
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/parens_4.f90
@@ -0,0 +1,12 @@
+! { dg-do compile }
+! Fallout from the patch for PR 14771
+! Testcase by Erik Zeek
+program test
+    call bob(5)
+contains
+    subroutine bob(n)
+        integer, intent(in) :: n
+        character(len=n) :: temp1
+        character(len=(n)) :: temp2 ! Fails here
+    end subroutine bob
+end program test
diff --git a/gcc/testsuite/gfortran.dg/parens_5.f90 b/gcc/testsuite/gfortran.dg/parens_5.f90
new file mode 100644
index 0000000..36bba8a
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/parens_5.f90
@@ -0,0 +1,19 @@
+! { dg-do run }
+! Another case of fallout from the original patch for PR14771
+! Testcase by Erik Zeek
+module para
+contains
+   function bobo(n)
+       integer, intent(in) :: n
+       character(len=(n)) :: bobo ! Used to fail here
+       bobo = "1234567890"
+   end function bobo
+end module para
+
+program test
+   use para
+   implicit none
+   character*5 c
+   c = bobo(5)
+   if (c .ne. "12345") call abort
+end program test