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Jonathan Wakely 2e023647c8 PR libstdc++/85632 fix wraparound in filesystem::space 
On 32-bit targets any values over 4GB would wrap and produce the wrong
result.

	PR libstdc++/85632 use uintmax_t for arithmetic
	* src/filesystem/ops.cc (experimental::filesystem::space): Perform
	arithmetic in result type.
	* src/filesystem/std-ops.cc (filesystem::space): Likewise.
	* testsuite/27_io/filesystem/operations/space.cc: Check total capacity
	is greater than free space.
	* testsuite/experimental/filesystem/operations/space.cc: New.

From-SVN: r259901
 		2018-05-03 19:58:00 +01:00
..
algorithm Update copyright years. 2018-01-03 11:03:58 +01:00
any Update copyright years. 2018-01-03 11:03:58 +01:00
array Update copyright years. 2018-01-03 11:03:58 +01:00
chrono Update copyright years. 2018-01-03 11:03:58 +01:00
deque Update copyright years. 2018-01-03 11:03:58 +01:00
filesystem PR libstdc++/85632 fix wraparound in filesystem::space 2018-05-03 19:58:00 +01:00
forward_list Update copyright years. 2018-01-03 11:03:58 +01:00
functional Update copyright years. 2018-01-03 11:03:58 +01:00
iterator Update copyright years. 2018-01-03 11:03:58 +01:00
list Update copyright years. 2018-01-03 11:03:58 +01:00
map Update copyright years. 2018-01-03 11:03:58 +01:00
memory Update copyright years. 2018-01-03 11:03:58 +01:00
memory_resource xfail experimental/memory_resource/resource_adaptor.cc on 32-bit Solaris/x86 (PR libstdc++/77691) 2018-03-22 13:33:29 +00:00
numeric Update copyright years. 2018-01-03 11:03:58 +01:00
optional Update copyright years. 2018-01-03 11:03:58 +01:00
propagate_const Update copyright years. 2018-01-03 11:03:58 +01:00
random Update copyright years. 2018-01-03 11:03:58 +01:00
ratio Update copyright years. 2018-01-03 11:03:58 +01:00
set Update copyright years. 2018-01-03 11:03:58 +01:00
source_location Update copyright years. 2018-01-03 11:03:58 +01:00
string Update copyright years. 2018-01-03 11:03:58 +01:00
string_view Update copyright years. 2018-01-03 11:03:58 +01:00
system_error Update copyright years. 2018-01-03 11:03:58 +01:00
tuple Update copyright years. 2018-01-03 11:03:58 +01:00
type_erased_allocator Update copyright years. 2018-01-03 11:03:58 +01:00
type_traits Update copyright years. 2018-01-03 11:03:58 +01:00
unordered_map Update copyright years. 2018-01-03 11:03:58 +01:00
unordered_set Update copyright years. 2018-01-03 11:03:58 +01:00
vector Update copyright years. 2018-01-03 11:03:58 +01:00
feat-cxx14.cc Use dg-do preprocess instead of compile for tests 2016-08-23 11:13:31 +01:00
feat-lib-fund.cc Use dg-do preprocess instead of compile for tests 2016-08-23 11:13:31 +01:00