CUB: Re-apply uninitialized variable warning suppression from commit

brycelelbach · brycelelbach · commit 8b5620acffbf · 2018-02-14T14:30:27.000-08:00
46b0939 that was accidentally overwritten when integrating CUB 1.7.5 Bug 2017697 Bug 200355591 git-commit 0ce5383cf25a33a35fd0df1237a06b85e4846e77 git-author Bryce Adelstein Lelbach aka wash <brycelelbach@gmail.com> [git-p4: depot-paths = "//sw/gpgpu/thrust/": change = 23595311]
diff --git a/thrust/system/cuda/detail/cub/agent/single_pass_scan_operators.cuh b/thrust/system/cuda/detail/cub/agent/single_pass_scan_operators.cuh
@@ -320,7 +320,7 @@ struct ScanTileState<T, false>
         cudaError_t error = cudaSuccess;
         do
         {
-            void*   allocations[3];
+            void*   allocations[3] = { NULL, NULL, NULL };
             size_t  allocation_sizes[3];
 
             allocation_sizes[0] = (num_tiles + TILE_STATUS_PADDING) * sizeof(StatusWord);           // bytes needed for tile status descriptors

Original file line number	Diff line number	Diff line change
`@@ -320,7 +320,7 @@ struct ScanTileState<T, false>`
`320`	`320`	`cudaError_t error = cudaSuccess;`
`321`	`321`	`do`
`322`	`322`	`{`
`323`		`- void* allocations[3];`
	`323`	`+ void* allocations[3] = { NULL, NULL, NULL };`
`324`	`324`	`size_t allocation_sizes[3];`
`325`	`325`
`326`	`326`	`allocation_sizes[0] = (num_tiles + TILE_STATUS_PADDING) * sizeof(StatusWord); // bytes needed for tile status descriptors`