wscript: remove duplicated branches diagnostic for good

engine/common/net_encode.c

@@ -980,10 +980,6 @@ qboolean Delta_CompareField( delta_t *pField, void *from, void *to, double timeb
 	}
 	else if( pField->flags & DT_INTEGER )
 	{
-#if defined __GNUC__ && __GNUC_MAJOR < 9 && !defined __clang__
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wduplicated-branches"
-#endif
 		if( pField->flags & DT_SIGNED )
 		{
 			fromF = *(int *)((byte *)from + pField->offset );
@@ -994,9 +990,6 @@ qboolean Delta_CompareField( delta_t *pField, void *from, void *to, double timeb
 			fromF = *(uint *)((byte *)from + pField->offset );
 			toF = *(uint *)((byte *)to + pField->offset );
 		}
-#if defined __GNUC__ && __GNUC_MAJOR < 9 && !defined __clang__
-#pragma GCC diagnostic pop
-#endif
 		fromF = Delta_ClampIntegerField( pField, fromF, bSigned, pField->bits );
 		toF = Delta_ClampIntegerField( pField, toF, bSigned, pField->bits );
 		if( !Q_equal( pField->multiplier, 1.0 ) )
@@ -1161,17 +1154,10 @@ qboolean Delta_WriteField( sizebuf_t *msg, delta_t *pField, void *from, void *to
 	}
 	else if( pField->flags & DT_INTEGER )
 	{
-#if defined __GNUC__ && __GNUC_MAJOR < 9 && !defined __clang__
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wduplicated-branches"
-#endif
 		if( bSigned )
 			iValue = *(int32_t *)((int8_t *)to + pField->offset );
 		else
 			iValue = *(uint32_t *)((int8_t *)to + pField->offset );
-#if defined __GNUC__ && __GNUC_MAJOR < 9 && !defined __clang__
-#pragma GCC diagnostic pop
-#endif
 		iValue = Delta_ClampIntegerField( pField, iValue, bSigned, pField->bits );
 
 		if( !Q_equal( pField->multiplier, 1.0 ) )
@@ -1281,10 +1267,6 @@ qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, void *from, void *to,
 	}
 	else if( pField->flags & DT_INTEGER )
 	{
-#if defined __GNUC__ && __GNUC_MAJOR < 9 && !defined __clang__
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wduplicated-branches"
-#endif
 		if( bChanged )
 		{
 			iValue = MSG_ReadBitLong( msg, pField->bits, bSigned );
@@ -1302,9 +1284,6 @@ qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, void *from, void *to,
 			*(int32_t *)((uint8_t *)to + pField->offset ) = iValue;
 		else
 			*(uint32_t *)((uint8_t *)to + pField->offset ) = iValue;
-#if defined __GNUC__ && __GNUC_MAJOR < 9 && !defined __clang__
-#pragma GCC diagnostic pop
-#endif
 	}
 	else if( pField->flags & DT_FLOAT )
 	{

wscript

@@ -184,7 +184,6 @@ def configure(conf):
 		'-Werror=vla',
 		'-Werror=tautological-compare',
 		'-Werror=duplicated-cond',
-		'-Werror=duplicated-branches', # BEWARE: buggy
 		'-Werror=bool-compare',
 		'-Werror=bool-operation',
 		'-Wcast-align',