re PR libfortran/38225 (RESHAPE bounds with multi-dimensional SOURCE)

2008-11-22  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/38225
	* intrinsics/reshape_generic.c (reshape_internal):
	Use all dimensions of source for bounds checking.
	* m4/reshape.m4:  Likewise.
	* generated/reshape_c10.c Regenerated.
	* generated/reshape_c16.c Regenerated.
	* generated/reshape_c4.c Regenerated.
	* generated/reshape_c8.c Regenerated.
	* generated/reshape_i16.c Regenerated.
	* generated/reshape_i4.c Regenerated.
	* generated/reshape_i8.c Regenerated.
	* generated/reshape_r10.c Regenerated.
	* generated/reshape_r16.c Regenerated.
	* generated/reshape_r4.c Regenerated.
	* generated/reshape_r8.c Regenerated.

2008-11-22  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/38225
	* gfortran.dg/reshape_3.f90:  New test.

From-SVN: r142125

16 files changed, 139 insertions, 13 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 3b5fae6..8feb7be 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2008-11-22  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR libfortran/38225
+	* gfortran.dg/reshape_3.f90:  New test.
+
 2008-11-22  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/38160
diff --git a/gcc/testsuite/gfortran.dg/reshape_3.f90 b/gcc/testsuite/gfortran.dg/reshape_3.f90
new file mode 100644
index 0000000..a9f44b4
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/reshape_3.f90
@@ -0,0 +1,12 @@
+! { dg-do run }
+! { dg-options "-fbounds-check" }
+program main
+  implicit none
+  integer, dimension(2,2) :: a4
+  integer(kind=1), dimension(2,2) :: a1
+  character(len=100) line
+  data a4 /1, 2, 3, 4/
+  a1 = a4
+  write (unit=line,fmt='(4I3)') reshape(a4,(/4/))
+  write (unit=line,fmt='(4I3)') reshape(a1,(/4/))
+end program main
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index f2d279d..7a176ee 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,21 @@
+2008-11-22  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR libfortran/38225
+	* intrinsics/reshape_generic.c (reshape_internal):
+	Use all dimensions of source for bounds checking.
+	* m4/reshape.m4:  Likewise.
+	* generated/reshape_c10.c Regenerated.
+	* generated/reshape_c16.c Regenerated.
+	* generated/reshape_c4.c Regenerated.
+	* generated/reshape_c8.c Regenerated.
+	* generated/reshape_i16.c Regenerated.
+	* generated/reshape_i4.c Regenerated.
+	* generated/reshape_i8.c Regenerated.
+	* generated/reshape_r10.c Regenerated.
+	* generated/reshape_r16.c Regenerated.
+	* generated/reshape_r4.c Regenerated.
+	* generated/reshape_r8.c Regenerated.
+
 2008-11-22  Jakub Jelinek  <jakub@redhat.com>
 
 	PR libfortran/37839
diff --git a/libgfortran/generated/reshape_c10.c b/libgfortran/generated/reshape_c10.c
index 076ea59..3305994 100644
--- a/libgfortran/generated/reshape_c10.c
+++ b/libgfortran/generated/reshape_c10.c
@@ -135,7 +135,14 @@ reshape_c10 (gfc_array_c10 * const restrict ret,
 			  (long int) ret_extent, (long int) shape_data[n]);
 	}
 
-      source_extent = source->dim[0].ubound + 1 - source->dim[0].lbound;
+      source_extent = 1;
+      sdim = GFC_DESCRIPTOR_RANK (source);
+      for (n = 0; n < sdim; n++)
+	{
+	  index_type se;
+	  se = source->dim[n].ubound + 1 - source->dim[0].lbound;
+	  source_extent *= se > 0 ? se : 0;
+	}
 
       if (rs < source_extent || (rs > source_extent && !pad))
 	runtime_error("Incorrect size in SOURCE argument to RESHAPE"
diff --git a/libgfortran/generated/reshape_c16.c b/libgfortran/generated/reshape_c16.c
index 968fb9c..3b026a5 100644
--- a/libgfortran/generated/reshape_c16.c
+++ b/libgfortran/generated/reshape_c16.c
@@ -135,7 +135,14 @@ reshape_c16 (gfc_array_c16 * const restrict ret,
 			  (long int) ret_extent, (long int) shape_data[n]);
 	}
 
-      source_extent = source->dim[0].ubound + 1 - source->dim[0].lbound;
+      source_extent = 1;
+      sdim = GFC_DESCRIPTOR_RANK (source);
+      for (n = 0; n < sdim; n++)
+	{
+	  index_type se;
+	  se = source->dim[n].ubound + 1 - source->dim[0].lbound;
+	  source_extent *= se > 0 ? se : 0;
+	}
 
       if (rs < source_extent || (rs > source_extent && !pad))
 	runtime_error("Incorrect size in SOURCE argument to RESHAPE"
diff --git a/libgfortran/generated/reshape_c4.c b/libgfortran/generated/reshape_c4.c
index 00c95e7..1c4740c 100644
--- a/libgfortran/generated/reshape_c4.c
+++ b/libgfortran/generated/reshape_c4.c
@@ -135,7 +135,14 @@ reshape_c4 (gfc_array_c4 * const restrict ret,
 			  (long int) ret_extent, (long int) shape_data[n]);
 	}
 
-      source_extent = source->dim[0].ubound + 1 - source->dim[0].lbound;
+      source_extent = 1;
+      sdim = GFC_DESCRIPTOR_RANK (source);
+      for (n = 0; n < sdim; n++)
+	{
+	  index_type se;
+	  se = source->dim[n].ubound + 1 - source->dim[0].lbound;
+	  source_extent *= se > 0 ? se : 0;
+	}
 
       if (rs < source_extent || (rs > source_extent && !pad))
 	runtime_error("Incorrect size in SOURCE argument to RESHAPE"
diff --git a/libgfortran/generated/reshape_c8.c b/libgfortran/generated/reshape_c8.c
index 9d355a5..d68ea48 100644
--- a/libgfortran/generated/reshape_c8.c
+++ b/libgfortran/generated/reshape_c8.c
@@ -135,7 +135,14 @@ reshape_c8 (gfc_array_c8 * const restrict ret,
 			  (long int) ret_extent, (long int) shape_data[n]);
 	}
 
-      source_extent = source->dim[0].ubound + 1 - source->dim[0].lbound;
+      source_extent = 1;
+      sdim = GFC_DESCRIPTOR_RANK (source);
+      for (n = 0; n < sdim; n++)
+	{
+	  index_type se;
+	  se = source->dim[n].ubound + 1 - source->dim[0].lbound;
+	  source_extent *= se > 0 ? se : 0;
+	}
 
       if (rs < source_extent || (rs > source_extent && !pad))
 	runtime_error("Incorrect size in SOURCE argument to RESHAPE"
diff --git a/libgfortran/generated/reshape_i16.c b/libgfortran/generated/reshape_i16.c
index 2888511..f46d758 100644
--- a/libgfortran/generated/reshape_i16.c
+++ b/libgfortran/generated/reshape_i16.c
@@ -135,7 +135,14 @@ reshape_16 (gfc_array_i16 * const restrict ret,
 			  (long int) ret_extent, (long int) shape_data[n]);
 	}
 
-      source_extent = source->dim[0].ubound + 1 - source->dim[0].lbound;
+      source_extent = 1;
+      sdim = GFC_DESCRIPTOR_RANK (source);
+      for (n = 0; n < sdim; n++)
+	{
+	  index_type se;
+	  se = source->dim[n].ubound + 1 - source->dim[0].lbound;
+	  source_extent *= se > 0 ? se : 0;
+	}
 
       if (rs < source_extent || (rs > source_extent && !pad))
 	runtime_error("Incorrect size in SOURCE argument to RESHAPE"
diff --git a/libgfortran/generated/reshape_i4.c b/libgfortran/generated/reshape_i4.c
index 021ecfb..d868c93 100644
--- a/libgfortran/generated/reshape_i4.c
+++ b/libgfortran/generated/reshape_i4.c
@@ -135,7 +135,14 @@ reshape_4 (gfc_array_i4 * const restrict ret,
 			  (long int) ret_extent, (long int) shape_data[n]);
 	}
 
-      source_extent = source->dim[0].ubound + 1 - source->dim[0].lbound;
+      source_extent = 1;
+      sdim = GFC_DESCRIPTOR_RANK (source);
+      for (n = 0; n < sdim; n++)
+	{
+	  index_type se;
+	  se = source->dim[n].ubound + 1 - source->dim[0].lbound;
+	  source_extent *= se > 0 ? se : 0;
+	}
 
       if (rs < source_extent || (rs > source_extent && !pad))
 	runtime_error("Incorrect size in SOURCE argument to RESHAPE"
diff --git a/libgfortran/generated/reshape_i8.c b/libgfortran/generated/reshape_i8.c
index 9a2ce8d..bcd984f 100644
--- a/libgfortran/generated/reshape_i8.c
+++ b/libgfortran/generated/reshape_i8.c
@@ -135,7 +135,14 @@ reshape_8 (gfc_array_i8 * const restrict ret,
 			  (long int) ret_extent, (long int) shape_data[n]);
 	}
 
-      source_extent = source->dim[0].ubound + 1 - source->dim[0].lbound;
+      source_extent = 1;
+      sdim = GFC_DESCRIPTOR_RANK (source);
+      for (n = 0; n < sdim; n++)
+	{
+	  index_type se;
+	  se = source->dim[n].ubound + 1 - source->dim[0].lbound;
+	  source_extent *= se > 0 ? se : 0;
+	}
 
       if (rs < source_extent || (rs > source_extent && !pad))
 	runtime_error("Incorrect size in SOURCE argument to RESHAPE"
diff --git a/libgfortran/generated/reshape_r10.c b/libgfortran/generated/reshape_r10.c
index 100173f..ac02959 100644
--- a/libgfortran/generated/reshape_r10.c
+++ b/libgfortran/generated/reshape_r10.c
@@ -135,7 +135,14 @@ reshape_r10 (gfc_array_r10 * const restrict ret,
 			  (long int) ret_extent, (long int) shape_data[n]);
 	}
 
-      source_extent = source->dim[0].ubound + 1 - source->dim[0].lbound;
+      source_extent = 1;
+      sdim = GFC_DESCRIPTOR_RANK (source);
+      for (n = 0; n < sdim; n++)
+	{
+	  index_type se;
+	  se = source->dim[n].ubound + 1 - source->dim[0].lbound;
+	  source_extent *= se > 0 ? se : 0;
+	}
 
       if (rs < source_extent || (rs > source_extent && !pad))
 	runtime_error("Incorrect size in SOURCE argument to RESHAPE"
diff --git a/libgfortran/generated/reshape_r16.c b/libgfortran/generated/reshape_r16.c
index 8a344e0b..c12fab5 100644
--- a/libgfortran/generated/reshape_r16.c
+++ b/libgfortran/generated/reshape_r16.c
@@ -135,7 +135,14 @@ reshape_r16 (gfc_array_r16 * const restrict ret,
 			  (long int) ret_extent, (long int) shape_data[n]);
 	}
 
-      source_extent = source->dim[0].ubound + 1 - source->dim[0].lbound;
+      source_extent = 1;
+      sdim = GFC_DESCRIPTOR_RANK (source);
+      for (n = 0; n < sdim; n++)
+	{
+	  index_type se;
+	  se = source->dim[n].ubound + 1 - source->dim[0].lbound;
+	  source_extent *= se > 0 ? se : 0;
+	}
 
       if (rs < source_extent || (rs > source_extent && !pad))
 	runtime_error("Incorrect size in SOURCE argument to RESHAPE"
diff --git a/libgfortran/generated/reshape_r4.c b/libgfortran/generated/reshape_r4.c
index ea8c24a..aa4bdec 100644
--- a/libgfortran/generated/reshape_r4.c
+++ b/libgfortran/generated/reshape_r4.c
@@ -135,7 +135,14 @@ reshape_r4 (gfc_array_r4 * const restrict ret,
 			  (long int) ret_extent, (long int) shape_data[n]);
 	}
 
-      source_extent = source->dim[0].ubound + 1 - source->dim[0].lbound;
+      source_extent = 1;
+      sdim = GFC_DESCRIPTOR_RANK (source);
+      for (n = 0; n < sdim; n++)
+	{
+	  index_type se;
+	  se = source->dim[n].ubound + 1 - source->dim[0].lbound;
+	  source_extent *= se > 0 ? se : 0;
+	}
 
       if (rs < source_extent || (rs > source_extent && !pad))
 	runtime_error("Incorrect size in SOURCE argument to RESHAPE"
diff --git a/libgfortran/generated/reshape_r8.c b/libgfortran/generated/reshape_r8.c
index d8855e7..bacaaac 100644
--- a/libgfortran/generated/reshape_r8.c
+++ b/libgfortran/generated/reshape_r8.c
@@ -135,7 +135,14 @@ reshape_r8 (gfc_array_r8 * const restrict ret,
 			  (long int) ret_extent, (long int) shape_data[n]);
 	}
 
-      source_extent = source->dim[0].ubound + 1 - source->dim[0].lbound;
+      source_extent = 1;
+      sdim = GFC_DESCRIPTOR_RANK (source);
+      for (n = 0; n < sdim; n++)
+	{
+	  index_type se;
+	  se = source->dim[n].ubound + 1 - source->dim[0].lbound;
+	  source_extent *= se > 0 ? se : 0;
+	}
 
       if (rs < source_extent || (rs > source_extent && !pad))
 	runtime_error("Incorrect size in SOURCE argument to RESHAPE"
diff --git a/libgfortran/intrinsics/reshape_generic.c b/libgfortran/intrinsics/reshape_generic.c
index 04b8727..8e1fedb 100644
--- a/libgfortran/intrinsics/reshape_generic.c
+++ b/libgfortran/intrinsics/reshape_generic.c
@@ -124,7 +124,14 @@ reshape_internal (parray *ret, parray *source, shape_type *shape,
 			  (long int) ret_extent, (long int) shape_data[n]);
 	}
 
-      source_extent = source->dim[0].ubound + 1 - source->dim[0].lbound;
+      source_extent = 1;
+      sdim = GFC_DESCRIPTOR_RANK (source);
+      for (n = 0; n < sdim; n++)
+	{
+	  index_type se;
+	  se = source->dim[n].ubound + 1 - source->dim[0].lbound;
+	  source_extent *= se > 0 ? se : 0;
+	}
 
       if (rs < source_extent || (rs > source_extent && !pad))
 	runtime_error("Incorrect size in SOURCE argument to RESHAPE"
diff --git a/libgfortran/m4/reshape.m4 b/libgfortran/m4/reshape.m4
index b7e321e..aa5d429 100644
--- a/libgfortran/m4/reshape.m4
+++ b/libgfortran/m4/reshape.m4
@@ -139,7 +139,14 @@ reshape_'rtype_ccode` ('rtype` * const restrict ret,
 			  (long int) ret_extent, (long int) shape_data[n]);
 	}
 
-      source_extent = source->dim[0].ubound + 1 - source->dim[0].lbound;
+      source_extent = 1;
+      sdim = GFC_DESCRIPTOR_RANK (source);
+      for (n = 0; n < sdim; n++)
+	{
+	  index_type se;
+	  se = source->dim[n].ubound + 1 - source->dim[0].lbound;
+	  source_extent *= se > 0 ? se : 0;
+	}
 
       if (rs < source_extent || (rs > source_extent && !pad))
 	runtime_error("Incorrect size in SOURCE argument to RESHAPE"