comgr: Fix assigning const char* to char* warnings (llvm#1585)

Author: ronlieb

amd/comgr/test/name_expression_map_test.c

@@ -131,10 +131,11 @@ int main(int argc, char *argv[]) {
     exit(1);
   }
 
-  char *NameExpressions[] = {"my_kernel_BOO<static_cast<int>(2+1),float >",
-                             "my_kernel_FOO<static_cast<int>(2+1),float >"};
-  char *SymbolNames[] = {"_Z13my_kernel_BOOILi3EfEvPT0_",
-                         "_Z13my_kernel_FOOILi3EfEvPT0_"};
+  const char *NameExpressions[] = {
+      "my_kernel_BOO<static_cast<int>(2+1),float >",
+      "my_kernel_FOO<static_cast<int>(2+1),float >"};
+  const char *SymbolNames[] = {"_Z13my_kernel_BOOILi3EfEvPT0_",
+                               "_Z13my_kernel_FOOILi3EfEvPT0_"};
 
   for (size_t I = 0; I < NumNames; ++I) {
     size_t Size;

amd/comgr/test/unbundle_hip_test.c

@@ -170,7 +170,7 @@ int main(int Argc, char *Argv[]) {
     Status = amd_comgr_get_data_name(DataElement, &NameSize, &Name[0]);
     checkError(Status, "amd_comgr_get_data_name");
 
-    char *ExpectedName = "square-host-x86_64-unknown-linux-gnu.bc";
+    const char *ExpectedName = "square-host-x86_64-unknown-linux-gnu.bc";
     if (strcmp(Name, ExpectedName)) {
       printf("Bitcode host element name mismatch: %s (expected %s)\n", Name,
              ExpectedName);