--- intel-graphics-compiler-igc-1.0.8744/visa/iga/IGALibrary/system.cpp	2021-09-16 11:50:38.000000000 +0300
+++ intel-graphics-compiler-igc-1.0.8744/visa/iga/IGALibrary/system.cpp	2021-10-03 14:59:08.779865094 +0300
@@ -246,9 +246,8 @@
 {
     std::string msg;
     char buf[256] {0};
-    char *errMsg = nullptr;
+    char *errMsg = &buf[0];
 #ifdef _WIN32
-    errMsg = &buf[0];
     FormatMessageA(
         FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
         NULL,
@@ -260,9 +259,9 @@
     if (errMsg)
         msg = errMsg;
 #else
-    errMsg = strerror_r(errCode, buf, sizeof(buf));
+    strerror_r(errCode, buf, sizeof(buf));
 #endif // _WIN32
-    if (errMsg == nullptr || errMsg[0] == 0)
+    if (errMsg[0] == 0)
         return "???";
     return std::string(errMsg);
 }