negative_unit.f: Add new check

2007-08-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* gfortran.dg/negative_unit.f: Add new check
	* gfortran.dg/negative_unit_int8.f: New. Same as above except use
	-fdefault-integer-8.

From-SVN: r127818

gcc/testsuite/ChangeLog

+2007-08-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	* gfortran.dg/negative_unit.f: Add new check
+	* gfortran.dg/negative_unit_int8.f: New. Same as above except use
+	-fdefault-integer-8.
+
 2007-08-26  Asher Langton  <langton2@llnl.gov>
 
 	* gfortran.dg/recursive_stack.f90: New.

gcc/testsuite/gfortran.dg/negative_unit.f

@@ -2,9 +2,12 @@
 !
 ! PR libfortran/20660 and other bugs (not filed in bugzilla) relating
 ! to negative units
+! PR 33055 Runtime error in INQUIRE unit existance with -fdefault-integer-8
+! Test case update by Jerry DeLisle <jvdelisle@gcc.gnu.org>
 !
 ! Bugs submitted by Walt Brainerd
       integer i
+      integer, parameter ::ERROR_BAD_UNIT = 5005
       logical l
       
       i = 0
@@ -16,7 +19,14 @@
       open (unit=-11, file="xxx", iostat=i)
       if (i <= 0) call abort
 
+      i = 0
       inquire (unit=-42, exist=l)
       if (l) call abort
 
+      i = 0 
+! This one is nasty
+      inquire (unit=2_8*huge(0_4)+20_8, exist=l, iostat=i)
+      if (l) call abort
+      if (i.ne.ERROR_BAD_UNIT) call abort
+
       end

gcc/testsuite/gfortran.dg/negative_unit_int8.f

+! { dg-do run }
+! { dg-options "-fdefault-integer-8" }
+! 
+! NOTE: This test is identical to negative_unit.f except -fdefault-integer-8
+!
+! PR libfortran/20660 and other bugs (not filed in bugzilla) relating
+! to negative units
+! PR 33055 Runtime error in INQUIRE unit existance with -fdefault-integer-8
+! Test case update by Jerry DeLisle <jvdelisle@gcc.gnu.org>
+!
+! Bugs submitted by Walt Brainerd
+      integer i
+      integer, parameter ::ERROR_BAD_UNIT = 5005
+      logical l
+      
+      i = 0
+! gfortran created a 'fort.-1' file and wrote "Hello" in it
+      write (unit=-1, fmt=*, iostat=i) "Hello"
+      if (i <= 0) call abort
+      
+      i = 0
+      open (unit=-11, file="xxx", iostat=i)
+      if (i <= 0) call abort
+
+      i = 0
+      inquire (unit=-42, exist=l)
+      if (l) call abort
+
+      i = 0 
+! This one is nasty
+      inquire (unit=2_8*huge(0_4)+20_8, exist=l, iostat=i)
+      if (l) call abort
+      if (i.ne.ERROR_BAD_UNIT) call abort
+
+      end