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| author | Andrew Luo <andrewluotechnologies@outlook.com> | 2020-08-06 19:35:43 +0100 |
|---|---|---|
| committer | Jonathan Wakely <jwakely@redhat.com> | 2020-08-06 19:49:07 +0100 |
| commit | 140cf935cd118f7208b7c3826a8b9d50936242f0 (patch) | |
| tree | 65f67d2de44231a18d83ebdb1fffa3eff6602d86 /gcc | |
| parent | 4e39f563c0cd25401f689c2093cb8c13692156ef (diff) | |
| download | gcc-140cf935cd118f7208b7c3826a8b9d50936242f0.zip gcc-140cf935cd118f7208b7c3826a8b9d50936242f0.tar.gz gcc-140cf935cd118f7208b7c3826a8b9d50936242f0.tar.bz2 | |
libstdc++: Implement P0966 std::string::reserve should not shrink
Remove ability for reserve(n) to reduce a string's capacity. Add a new
reserve() overload that makes a shrink-to-fit request, and make
shrink_to_fit() use that.
libstdc++-v3/ChangeLog:
2020-07-30 Andrew Luo <andrewluotechnologies@outlook.com>
Jonathan Wakely <jwakely@redhat.com>
* config/abi/pre/gnu.ver (GLIBCXX_3.4): Use less greedy
patterns for basic_string members.
(GLIBCXX_3.4.29): Export new basic_string::reserve symbols.
* doc/xml/manual/status_cxx2020.xml: Update P0966 status.
* include/bits/basic_string.h (shrink_to_fit()): Call reserve().
(reserve(size_type)): Remove default argument.
(reserve()): Declare new overload.
[!_GLIBCXX_USE_CXX11_ABI] (shrink_to_fit, reserve): Likewise.
* include/bits/basic_string.tcc (reserve(size_type)): Remove
support for shrinking capacity.
(reserve()): Perform shrink-to-fit operation.
[!_GLIBCXX_USE_CXX11_ABI] (reserve): Likewise.
* testsuite/21_strings/basic_string/capacity/1.cc: Adjust to
reflect new behavior.
* testsuite/21_strings/basic_string/capacity/char/1.cc:
Likewise.
* testsuite/21_strings/basic_string/capacity/char/18654.cc:
Likewise.
* testsuite/21_strings/basic_string/capacity/char/2.cc:
Likewise.
* testsuite/21_strings/basic_string/capacity/wchar_t/1.cc:
Likewise.
* testsuite/21_strings/basic_string/capacity/wchar_t/18654.cc:
Likewise.
* testsuite/21_strings/basic_string/capacity/wchar_t/2.cc:
Likewise.
Diffstat (limited to 'gcc')
0 files changed, 0 insertions, 0 deletions