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c++: Update value of __cplusplus for C++20. 

It's past time to update this macro to the specified value for C++20.

libcpp/ChangeLog:

	* init.c (cpp_init_builtins): Update __cplusplus for C++20.
This commit is contained in:
Jason Merrill 2020-12-10 11:21:50 -05:00
parent 96a5c483af
commit 445430e16b
1 changed files with 1 additions and 1 deletions
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2
libcpp/init.c
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@ -542,7 +542,7 @@ cpp_init_builtins (cpp_reader *pfile, int hosted)
{
if (CPP_OPTION (pfile, lang) == CLK_CXX20
|| CPP_OPTION (pfile, lang) == CLK_GNUCXX20)
_cpp_define_builtin (pfile, "__cplusplus 201709L");
_cpp_define_builtin (pfile, "__cplusplus 202002L");
else if (CPP_OPTION (pfile, lang) == CLK_CXX17
|| CPP_OPTION (pfile, lang) == CLK_GNUCXX17)
_cpp_define_builtin (pfile, "__cplusplus 201703L");