Fix -Wmaybe-uninitialized warnings.

2014-10-01  Janne Blomqvist  <jb@gcc.gnu.org>

	* intrinsics/pack_generic.c (pack_s_internal): Fix
	-Wmaybe-uninitialized warning.
	* m4/unpack.m4 (unpack0_'rtype_code`): Likewise.
	(unpack1_'rtype_code`): Likewise.
	* generated/unpack_*.m4: Regenerated.

From-SVN: r215742

16 files changed, 67 insertions, 0 deletions

diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index aac8666..f8f8c6b 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,11 @@
+2014-10-01  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* intrinsics/pack_generic.c (pack_s_internal): Fix
+	-Wmaybe-uninitialized warnings.
+	* m4/unpack.m4 (unpack0_'rtype_code`): Likewise.
+	(unpack1_'rtype_code`): Likewise.
+	* generated/unpack_*.m4: Regenerated.
+
 2014-09-30  Janne Blomqvist  <jb@gcc.gnu.org>
 
 	* configure.ac (AM_CFLAGS): Add
diff --git a/libgfortran/generated/unpack_c10.c b/libgfortran/generated/unpack_c10.c
index 6fc2bdc..38a0ea0 100644
--- a/libgfortran/generated/unpack_c10.c
+++ b/libgfortran/generated/unpack_c10.c
@@ -104,6 +104,8 @@ unpack0_c10 (gfc_array_c10 *ret, const gfc_array_c10 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -249,6 +251,8 @@ unpack1_c10 (gfc_array_c10 *ret, const gfc_array_c10 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
diff --git a/libgfortran/generated/unpack_c16.c b/libgfortran/generated/unpack_c16.c
index 443a51e..5047511e 100644
--- a/libgfortran/generated/unpack_c16.c
+++ b/libgfortran/generated/unpack_c16.c
@@ -104,6 +104,8 @@ unpack0_c16 (gfc_array_c16 *ret, const gfc_array_c16 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -249,6 +251,8 @@ unpack1_c16 (gfc_array_c16 *ret, const gfc_array_c16 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
diff --git a/libgfortran/generated/unpack_c4.c b/libgfortran/generated/unpack_c4.c
index c8b30f5..52306a3 100644
--- a/libgfortran/generated/unpack_c4.c
+++ b/libgfortran/generated/unpack_c4.c
@@ -104,6 +104,8 @@ unpack0_c4 (gfc_array_c4 *ret, const gfc_array_c4 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -249,6 +251,8 @@ unpack1_c4 (gfc_array_c4 *ret, const gfc_array_c4 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
diff --git a/libgfortran/generated/unpack_c8.c b/libgfortran/generated/unpack_c8.c
index 60d9de1..ad55b67 100644
--- a/libgfortran/generated/unpack_c8.c
+++ b/libgfortran/generated/unpack_c8.c
@@ -104,6 +104,8 @@ unpack0_c8 (gfc_array_c8 *ret, const gfc_array_c8 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -249,6 +251,8 @@ unpack1_c8 (gfc_array_c8 *ret, const gfc_array_c8 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
diff --git a/libgfortran/generated/unpack_i1.c b/libgfortran/generated/unpack_i1.c
index 522ce74..9c87bd6 100644
--- a/libgfortran/generated/unpack_i1.c
+++ b/libgfortran/generated/unpack_i1.c
@@ -104,6 +104,8 @@ unpack0_i1 (gfc_array_i1 *ret, const gfc_array_i1 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -249,6 +251,8 @@ unpack1_i1 (gfc_array_i1 *ret, const gfc_array_i1 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
diff --git a/libgfortran/generated/unpack_i16.c b/libgfortran/generated/unpack_i16.c
index 7e0d1f7..ba19a70 100644
--- a/libgfortran/generated/unpack_i16.c
+++ b/libgfortran/generated/unpack_i16.c
@@ -104,6 +104,8 @@ unpack0_i16 (gfc_array_i16 *ret, const gfc_array_i16 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -249,6 +251,8 @@ unpack1_i16 (gfc_array_i16 *ret, const gfc_array_i16 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
diff --git a/libgfortran/generated/unpack_i2.c b/libgfortran/generated/unpack_i2.c
index b0d21dc2..7092aae 100644
--- a/libgfortran/generated/unpack_i2.c
+++ b/libgfortran/generated/unpack_i2.c
@@ -104,6 +104,8 @@ unpack0_i2 (gfc_array_i2 *ret, const gfc_array_i2 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -249,6 +251,8 @@ unpack1_i2 (gfc_array_i2 *ret, const gfc_array_i2 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
diff --git a/libgfortran/generated/unpack_i4.c b/libgfortran/generated/unpack_i4.c
index beac196..2710d6a 100644
--- a/libgfortran/generated/unpack_i4.c
+++ b/libgfortran/generated/unpack_i4.c
@@ -104,6 +104,8 @@ unpack0_i4 (gfc_array_i4 *ret, const gfc_array_i4 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -249,6 +251,8 @@ unpack1_i4 (gfc_array_i4 *ret, const gfc_array_i4 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
diff --git a/libgfortran/generated/unpack_i8.c b/libgfortran/generated/unpack_i8.c
index 75cd2e9..d917804 100644
--- a/libgfortran/generated/unpack_i8.c
+++ b/libgfortran/generated/unpack_i8.c
@@ -104,6 +104,8 @@ unpack0_i8 (gfc_array_i8 *ret, const gfc_array_i8 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -249,6 +251,8 @@ unpack1_i8 (gfc_array_i8 *ret, const gfc_array_i8 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
diff --git a/libgfortran/generated/unpack_r10.c b/libgfortran/generated/unpack_r10.c
index 926a457..15fa056 100644
--- a/libgfortran/generated/unpack_r10.c
+++ b/libgfortran/generated/unpack_r10.c
@@ -104,6 +104,8 @@ unpack0_r10 (gfc_array_r10 *ret, const gfc_array_r10 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -249,6 +251,8 @@ unpack1_r10 (gfc_array_r10 *ret, const gfc_array_r10 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
diff --git a/libgfortran/generated/unpack_r16.c b/libgfortran/generated/unpack_r16.c
index 6fff184..8b7ec8d 100644
--- a/libgfortran/generated/unpack_r16.c
+++ b/libgfortran/generated/unpack_r16.c
@@ -104,6 +104,8 @@ unpack0_r16 (gfc_array_r16 *ret, const gfc_array_r16 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -249,6 +251,8 @@ unpack1_r16 (gfc_array_r16 *ret, const gfc_array_r16 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
diff --git a/libgfortran/generated/unpack_r4.c b/libgfortran/generated/unpack_r4.c
index c900874..cc56596 100644
--- a/libgfortran/generated/unpack_r4.c
+++ b/libgfortran/generated/unpack_r4.c
@@ -104,6 +104,8 @@ unpack0_r4 (gfc_array_r4 *ret, const gfc_array_r4 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -249,6 +251,8 @@ unpack1_r4 (gfc_array_r4 *ret, const gfc_array_r4 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
diff --git a/libgfortran/generated/unpack_r8.c b/libgfortran/generated/unpack_r8.c
index 5999a51..0ead961 100644
--- a/libgfortran/generated/unpack_r8.c
+++ b/libgfortran/generated/unpack_r8.c
@@ -104,6 +104,8 @@ unpack0_r8 (gfc_array_r8 *ret, const gfc_array_r8 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -249,6 +251,8 @@ unpack1_r8 (gfc_array_r8 *ret, const gfc_array_r8 *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
diff --git a/libgfortran/intrinsics/pack_generic.c b/libgfortran/intrinsics/pack_generic.c
index 3fbfa0a..831f396 100644
--- a/libgfortran/intrinsics/pack_generic.c
+++ b/libgfortran/intrinsics/pack_generic.c
@@ -463,6 +463,9 @@ pack_s_internal (gfc_array_char *ret, const gfc_array_char *array,
   index_type total;
 
   dim = GFC_DESCRIPTOR_RANK (array);
+  /* Initialize sstride[0] to avoid -Wmaybe-uninitialized
+     complaints.  */
+  sstride[0] = size;
   ssize = 1;
   for (n = 0; n < dim; n++)
     {
diff --git a/libgfortran/m4/unpack.m4 b/libgfortran/m4/unpack.m4
index e945446..271eae2 100644
--- a/libgfortran/m4/unpack.m4
+++ b/libgfortran/m4/unpack.m4
@@ -105,6 +105,8 @@ unpack0_'rtype_code` ('rtype` *ret, const 'rtype` *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;
@@ -250,6 +252,8 @@ unpack1_'rtype_code` ('rtype` *ret, const 'rtype` *vector,
   else
     {
       dim = GFC_DESCRIPTOR_RANK (ret);
+      /* Initialize to avoid -Wmaybe-uninitialized complaints.  */
+      rstride[0] = 1;
       for (n = 0; n < dim; n++)
 	{
 	  count[n] = 0;