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Jonathan Wakely b66e5a95c0 PR libstdc++/68210 adjust operator new and delete for LWG 206 
Ensure that nothrow versions of new and delete call the ordinary
versions of new or delete, instead of calling malloc or free directly.

These files are all compiled with -std=gnu++14 so can use noexcept and
nullptr to make the code more readable.

	PR libstdc++/68210
	* doc/xml/manual/intro.xml: Document LWG 206 change.
	* libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
	* libsupc++/del_opa.cc: Likewise.
	* libsupc++/del_opant.cc: Likewise.
	* libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
	of free(ptr).
	* libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
	* libsupc++/del_opsa.cc: Likewise.
	* libsupc++/del_opva.cc: Likewise.
	* libsupc++/del_opvant.cc: Likewise.
	* libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
	instead of operator delete(ptr).
	* libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
	* libsupc++/del_opvsa.cc: Likewise.
	* libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
	* libsupc++/new_opa.cc: Use nullptr instead of literal 0.
	* libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
	with noexcept.
	* libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
	malloc(sz).
	* libsupc++/new_opvant.cc: Use nullptr and noexcept.
	* libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
	operator new(sz, nothrow).
	* testsuite/18_support/new_nothrow.cc: New test.

From-SVN: r263478
 		2018-08-10 21:20:27 +01:00
..
config Define monotonic_buffer_resource members out-of-line 2018-08-07 12:31:16 +01:00
doc PR libstdc++/68210 adjust operator new and delete for LWG 206 2018-08-10 21:20:27 +01:00
include Define aliases for containers using polymorphic_allocator 2018-08-10 00:25:53 +01:00
libsupc++ PR libstdc++/68210 adjust operator new and delete for LWG 206 2018-08-10 21:20:27 +01:00
po PR libstdc++/86450 use -Wabi=2 and simplify -Werror use 2018-07-17 14:18:47 +01:00
python PR libstdc++/86751 default assignment operators for std::pair 2018-07-31 23:31:20 +01:00
scripts * scripts/create_testsuite_files: Fix typo in comment. 2018-07-16 18:42:20 +01:00
src Define monotonic_buffer_resource members out-of-line 2018-08-07 12:31:16 +01:00
testsuite PR libstdc++/68210 adjust operator new and delete for LWG 206 2018-08-10 21:20:27 +01:00
ChangeLog PR libstdc++/68210 adjust operator new and delete for LWG 206 2018-08-10 21:20:27 +01:00
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ChangeLog-2016 Update copyright years. 2017-01-01 13:07:43 +01:00
ChangeLog-2017 Update copyright years. 2018-01-03 11:03:58 +01:00
Makefile.am Update copyright years. 2018-01-03 11:03:58 +01:00
Makefile.in PR libstdc++/86450 use -Wabi=2 and simplify -Werror use 2018-07-17 14:18:47 +01:00
README
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acinclude.m4 Add new src/c++17 directory to list in acinclude.m4 2018-07-25 12:01:39 +01:00
aclocal.m4 Build libgo with -Wa,-nH if possible (PR go/78978) [non-libgo parts] 2017-01-06 14:33:47 +00:00
config.h.in Fix bootstrap failure for bare metal due to autoconf link tests 2018-06-18 17:01:24 +01:00
configure libstdc++-v3: Have aligned_alloc() on Newlib 2018-08-10 06:27:35 +00:00
configure.ac libstdc++-v3: Have aligned_alloc() on Newlib 2018-08-10 06:27:35 +00:00
configure.host Separate Solaris/SPARC and x86 baselines 2017-02-02 16:24:03 +00:00
crossconfig.m4 crossconfig.m4: Handle OpenBSD just like NetBSD. 2018-06-18 11:28:53 -06:00
fragment.am PR libstdc++/86450 use -Wabi=2 and simplify -Werror use 2018-07-17 14:18:47 +01:00
linkage.m4
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README 

file: libstdc++-v3/README

New users may wish to point their web browsers to the file
index.html in the 'doc/html' subdirectory.  It contains brief
building instructions and notes on how to configure the library in
interesting ways.