SWDEV-234447:Fix error Use of uninitialized value in concatenation (.)

Change-Id: Ia6f8d23f100826438f152c175d10ac3096ee024e

hipamd/bin/hipcc

@@ -460,7 +460,7 @@ foreach $arg (@ARGV)
         $arg = "--cuda-device-only";
     }
 
-    if(($trimarg eq '-stdlib=libstdc++') and ($setStdLib eq 0))
+    if(($trimarg eq '-stdlib=libstdc++') and ($setStdLib eq 0) and $HIP_PLATFORM eq 'hcc' and $HIP_COMPILER eq 'hcc')
     {
         $HIPCXXFLAGS .= $HCC_WA_FLAGS;
         $setStdLib = 1;