[Comgr][Test] Fix warnings in comgr tests

* Unused variables
* Integer unsigned-signed comparison
* write (ssize_t) and _write (int) return signed integers and not size_t

Author: jmmartinez

amd/comgr/test-lit/comgr-sources/spirv-translator.c

@@ -13,7 +13,6 @@ int main(int argc, char *argv[]) {
   amd_comgr_data_t DataSpirv;
   amd_comgr_data_set_t DataSetSpirv, DataSetBc;
   amd_comgr_action_info_t DataAction;
-  amd_comgr_status_t Status;
   size_t Count;
 
   if (argc != 4) {

amd/comgr/test/common.h

@@ -332,10 +332,10 @@ size_t WriteFile(int FD, const char *Buffer, size_t Size) {
 
   while (BytesWritten < Size) {
 #if defined(_WIN32) || defined(_WIN64)
-    size_t Ret =
+    ssize_t Ret =
         _write(FD, Buffer + BytesWritten, (unsigned int)(Size - BytesWritten));
 #else
-    size_t Ret = write(FD, Buffer + BytesWritten, Size - BytesWritten);
+    ssize_t Ret = write(FD, Buffer + BytesWritten, Size - BytesWritten);
 #endif
     if (Ret == 0) {
       break;

amd/comgr/test/fail_to_build_driver.c

@@ -41,7 +41,7 @@
 
 int main(int argc, char *argv[]) {
   char *BufSource1;
-  size_t SizeSource1, SizeSource2, SizeInclude;
+  size_t SizeSource1;
   amd_comgr_data_t DataSource1, DataSource2, DataInclude;
   amd_comgr_data_set_t DataSetIn, DataSetBc;
   amd_comgr_action_info_t DataAction;

amd/comgr/test/mangled_names_hip_test.c

@@ -44,7 +44,7 @@ int main(int argc, char *argv[]) {
   size_t SizeSource;
   amd_comgr_data_t DataSource;
   amd_comgr_data_set_t DataSetIn, DataSetBc, DataSetLinked, DataSetReloc,
-      DataSetExec, DataSetReloc2, DataSetExec2;
+      DataSetExec;
   amd_comgr_action_info_t DataAction;
   amd_comgr_status_t Status;
   size_t Count;

amd/comgr/test/unbundle_hip_test.c

@@ -135,7 +135,7 @@ int main(int Argc, char *Argv[]) {
     size_t BundleEntryIDsCount =
         sizeof(BundleEntryIDs) / sizeof(BundleEntryIDs[0]);
     Status = amd_comgr_action_info_set_bundle_entry_ids(ActionInfoUnbundle,
-                                                        BundleEntryIDs, 2);
+                                                        BundleEntryIDs, BundleEntryIDsCount);
 
     // Unbundle
     Status = amd_comgr_create_data_set(&DataSetUnbundled);
@@ -354,7 +354,7 @@ int main(int Argc, char *Argv[]) {
                                                              &BundleCount);
     checkError(Status, "amd_comgr_action_info_get_bundle_entry_id_count");
 
-    for (int I = 0; I < BundleCount; I++) {
+    for (size_t I = 0; I < BundleCount; I++) {
 
       size_t Size;
       Status = amd_comgr_action_info_get_bundle_entry_id(ActionInfoUnbundle, I,