2008-04-26 George Helffrich <george@gcc.gnu.org>

	PR fortran/35892
	PR fortran/35154
	* fortran/trans-common.c (create_common):  Add decl to function
	chain (if inside one) to preserve identifier scope in debug output.

        * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
        .stabs functionality.
        * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
        DWARF functionality.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@134696 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 72 insertions, 0 deletions

diff --git a/gcc/testsuite/gfortran.dg/debug/pr35154-dwarf2.f b/gcc/testsuite/gfortran.dg/debug/pr35154-dwarf2.f
new file mode 100644
index 00000000000..0203d134a62
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/debug/pr35154-dwarf2.f
@@ -0,0 +1,37 @@
+C     Test program for common block debugging.  G. Helffrich 11 July 2004.
+C { dg-do compile }
+C { dg-skip-if "DWARF-2 only" { "*-*-*" } { "*" } { "-gdwarf-2" } }
+C { dg-options "-dA" }
+      common i,j
+      common /label/l,m
+      i = 1
+      j = 2
+      k = 3
+      l = 4
+      m = 5
+      call sub
+      end
+      subroutine sub
+      common /label/l,m
+      logical first
+      save n
+      data first /.true./
+      if (first) then
+         n = 0
+	 first = .false.
+      endif
+      n = n + 1
+      l = l + 1
+      return
+      end
+
+C { dg-final { scan-assembler "(DIE.*DW_TAG_common_block)" } }
+C { dg-final { scan-assembler "DW_AT_name: \"__BLNK__\"" } }
+C { dg-final { scan-assembler "(DIE.*DW_TAG_member)" } }
+C { dg-final { scan-assembler "\"i.*\".*DW_AT_name" } }
+C { dg-final { scan-assembler "\"j.*\".*DW_AT_name" } }
+C { dg-final { scan-assembler "(DIE.*DW_TAG_common_block)" } }
+C { dg-final { scan-assembler "DW_AT_name: \"label\"" } }
+C { dg-final { scan-assembler "(DIE.*DW_TAG_member)" } }
+C { dg-final { scan-assembler "\"l.*\".*DW_AT_name" } }
+C { dg-final { scan-assembler "\"m.*\".*DW_AT_name" } }
diff --git a/gcc/testsuite/gfortran.dg/debug/pr35154-stabs.f b/gcc/testsuite/gfortran.dg/debug/pr35154-stabs.f
new file mode 100644
index 00000000000..7294771bd3e
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/debug/pr35154-stabs.f
@@ -0,0 +1,35 @@
+C     Test program for common block debugging.  G. Helffrich 11 July 2004.
+C { dg-do compile }
+C { dg-skip-if "No stabs" { mmix-*-* *-*-netware* alpha*-*-* hppa*64*-*-* ia64-*-* *-*-sysv5* *-*-vxworks* } { "*" } { "" } }
+C { dg-skip-if "No stabs" {*-*-* } { "*" } { "-gstabs" } }
+      common i,j
+      common /label/l,m
+      i = 1
+      j = 2
+      k = 3
+      l = 4
+      m = 5
+      call sub
+      end
+      subroutine sub
+      common /label/l,m
+      logical first
+      save n
+      data first /.true./
+      if (first) then
+         n = 0
+	 first = .false.
+      endif
+      n = n + 1
+      l = l + 1
+      return
+      end
+
+C { dg-final { scan-assembler ".stabs.*\"__BLNK__\",226" } }
+C { dg-final { scan-assembler ".stabs.*\"i:V.*\",.*,0" } }
+C { dg-final { scan-assembler ".stabs.*\"j:V.*\",.*,4" } }
+C { dg-final { scan-assembler ".stabs.*\"__BLNK__\",228" } }
+C { dg-final { scan-assembler ".stabs.*\"label_\",226" } }
+C { dg-final { scan-assembler ".stabs.*\"l:V.*\",.*,0" } }
+C { dg-final { scan-assembler ".stabs.*\"m:V.*\",.*,4" } }
+C { dg-final { scan-assembler ".stabs.*\"label_\",228" } }