Rename fallthrough to warning_macros

Author: cshung

src/coreclr/gc/unix/gcenv.unix.cpp

@@ -35,7 +35,7 @@
 #define __has_cpp_attribute(x) (0)
 #endif
 
-#include "../../inc/fallthrough.h"
+#include "../../inc/warning_macros.h"
 
 #include <algorithm>
 

src/coreclr/gc/vxsort/vxsort.h

@@ -13,7 +13,7 @@
 #endif
 #endif
 
-#include "../../inc/fallthrough.h"
+#include "../../inc/warning_macros.h"
 #include <assert.h>
 #include <immintrin.h>
 

src/coreclr/inc/palclr_win.h

@@ -140,6 +140,6 @@
 typedef HMODULE NATIVE_LIBRARY_HANDLE;
 #endif // HOST_WINDOWS
 
-#include "fallthrough.h"
+#include "warning_macros.h"
 
 #endif	// __PALCLR_WIN_H__

src/coreclr/inc/fallthrough.h src/coreclr/inc/warning_macros.h

@@ -1,5 +1,5 @@
-#ifndef __FALLTHROUGH_H__
-#define __FALLTHROUGH_H__
+#ifndef __WARNING_MACROS_H__
+#define __WARNING_MACROS_H__
 
 #ifndef FALLTHROUGH
 #if __has_cpp_attribute(fallthrough)
@@ -9,4 +9,4 @@
 #endif // __has_cpp_attribute(fallthrough)
 #endif //!FALLTHROUGH
 
-#endif //__FALLTHROUGH_H__
+#endif //__WARNING_MACROS_H__

src/coreclr/pal/inc/pal.h

@@ -175,7 +175,7 @@ extern bool g_arm64_atomics_present;
 #define __has_cpp_attribute(x) (0)
 #endif
 
-#include "../../inc/fallthrough.h"
+#include "../../inc/warning_macros.h"
 
 #ifndef PAL_STDCPP_COMPAT
 

src/coreclr/pal/src/include/pal/palinternal.h

@@ -769,7 +769,7 @@ const char StackOverflowMessage[] = "Stack overflow.\n";
 
 #endif // __cplusplus
 
-#include "../../../../inc/fallthrough.h"
+#include "../../../../inc/warning_macros.h"
 
 DWORD PALAPI GetCurrentSessionId();