[testsuite, committed] Add goacc/uninit-dim-clause.{c,f95}

[Tom de Vries]

Hi,

I've committed attached patch, which adds testcases that test the 
-Wuninitialized warning for the num_gangs, num_workers, vector_length 
clauses on the openacc directive parallel.

Thanks,
- Tom
Add goacc/uninit-dim-clause.{c,f95}

2016-03-24  Tom de Vries  <t...@codesourcery.com>

	* c-c++-common/goacc/uninit-dim-clause.c: New test.
	* gfortran.dg/goacc/uninit-dim-clause.f95: New test.

---
 gcc/testsuite/c-c++-common/goacc/uninit-dim-clause.c  | 19 +++++++++++++++++++
 gcc/testsuite/gfortran.dg/goacc/uninit-dim-clause.f95 | 17 +++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/gcc/testsuite/c-c++-common/goacc/uninit-dim-clause.c b/gcc/testsuite/c-c++-common/goacc/uninit-dim-clause.c
new file mode 100644
index 0000000..0a006e3
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/goacc/uninit-dim-clause.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-Wuninitialized" } */
+
+#include <stdbool.h>
+
+int
+main (void)
+{
+  int i, j, k;
+
+  #pragma acc parallel num_gangs(i) /* { dg-warning "is used uninitialized in this function" } */
+  ;
+
+  #pragma acc parallel num_workers(j) /* { dg-warning "is used uninitialized in this function" } */
+  ;
+
+  #pragma acc parallel vector_length(k) /* { dg-warning "is used uninitialized in this function" } */
+  ;
+}
diff --git a/gcc/testsuite/gfortran.dg/goacc/uninit-dim-clause.f95 b/gcc/testsuite/gfortran.dg/goacc/uninit-dim-clause.f95
new file mode 100644
index 0000000..b87d26f
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/goacc/uninit-dim-clause.f95
@@ -0,0 +1,17 @@
+! { dg-do compile }
+! { dg-additional-options "-Wuninitialized" }
+
+program test
+  implicit none
+  integer :: i, j, k
+
+  !$acc parallel num_gangs(i) ! { dg-warning "is used uninitialized in this function" }
+  !$acc end parallel
+
+  !$acc parallel num_workers(j) ! { dg-warning "is used uninitialized in this function" }
+  !$acc end parallel
+
+  !$acc parallel vector_length(k) ! { dg-warning "is used uninitialized in this function" }
+  !$acc end parallel
+
+end program test