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| author | Jonathan Wakely <jwakely@redhat.com> | 2020-12-15 11:40:06 +0000 |
|---|---|---|
| committer | Jonathan Wakely <jwakely@redhat.com> | 2020-12-15 11:45:26 +0000 |
| commit | cf4ed3b41594b6935a337fe0aaf8149eadf88751 (patch) | |
| tree | 3d934dff704957a63747ace1eddd8cefa2503c25 /libstdc++-v3 | |
| parent | 0feb237657c7c1f057754a8d8132a83adc63250e (diff) | |
| download | gcc-cf4ed3b41594b6935a337fe0aaf8149eadf88751.zip gcc-cf4ed3b41594b6935a337fe0aaf8149eadf88751.tar.gz gcc-cf4ed3b41594b6935a337fe0aaf8149eadf88751.tar.bz2 | |
libstdc++: Use init_priority attribute for Init object [PR 98108]
This causes the global objects that run the <iostream> initialization
code to be constructed earlier, which avoids some bugs in user code due
to incorrectly relying on static initialization order.
libstdc++-v3/ChangeLog:
PR libstdc++/98108
* include/std/iostream (__ioinit): Add init_priority attribute.
Diffstat (limited to 'libstdc++-v3')
| -rw-r--r-- | libstdc++-v3/include/std/iostream | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libstdc++-v3/include/std/iostream b/libstdc++-v3/include/std/iostream index f988342..6b2f964 100644 --- a/libstdc++-v3/include/std/iostream +++ b/libstdc++-v3/include/std/iostream @@ -70,8 +70,16 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION #endif //@} +#if __has_attribute(__init_priority__) +# define _GLIBCXX_INIT_PRIO(N) __attribute__((__init_priority__(N))) +#else +# define _GLIBCXX_INIT_PRIO(N) +#endif + // For construction of filebuffers for cout, cin, cerr, clog et. al. - static ios_base::Init __ioinit; + static ios_base::Init __ioinit _GLIBCXX_INIT_PRIO(90); + +#undef _GLIBCXX_INIT_PRIO _GLIBCXX_END_NAMESPACE_VERSION } // namespace |