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8161145: The min/max macros make hotspot tests fail to build with GCC 6

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Change min/max macros to expand (once) to self.

Reviewed-by: sgehwolf, pliden, andrew
This commit is contained in:
Erik Österlund 2017-06-06 13:31:34 -04:00
parent 578fd1677d
commit c4d86b2455
1 changed files with 6 additions and 3 deletions
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9
hotspot/src/share/vm/utilities/globalDefinitions.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -1095,8 +1095,11 @@ inline intptr_t bitfield(intptr_t x, int start_bit_no, int field_length) {
#undef min
#endif
#define max(a,b) Do_not_use_max_use_MAX2_instead
#define min(a,b) Do_not_use_min_use_MIN2_instead
// The following defines serve the purpose of preventing use of accidentally
// included min max macros from compiling, while continuing to allow innocent
// min and max identifiers in the code to compile as intended.
#define max max
#define min min
// It is necessary to use templates here. Having normal overloaded
// functions does not work because it is necessary to provide both 32-