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libstdc++: Fix -Wmaybe-uninitialized false positive [PR103984]
authorJonathan Wakely <jwakely@redhat.com>
Tue, 1 Mar 2022 09:33:21 +0000 (09:33 +0000)
committerJonathan Wakely <jwakely@redhat.com>
Tue, 1 Mar 2022 15:25:39 +0000 (15:25 +0000)
commitad66b03b3c84786e73e73f09be19977b8f3c4ea3
tree008ecabb16db8ea0aa799ffa22bc763646041ae4tree | snapshot
parent16ced9c654e39e75b8de14802a173a2c7aff4e47commit | diff
libstdc++: Fix -Wmaybe-uninitialized false positive [PR103984]

This fixes a false positive warning seen with LTO:

12/bits/regex_compiler.tcc:443:32: error: '__last_char._M_char' may be used uninitialized [-Werror=maybe-uninitialized]

Given that the std::regex code is not very efficient anyway, the
overhead of initializing this byte should be minimal.

libstdc++-v3/ChangeLog:

PR middle-end/103984
* include/bits/regex_compiler.h (_BracketMatcher::_M_char): Use
default member initializer.
libstdc++-v3/include/bits/regex_compiler.h diff | blob | history
Domain: System / Toolchain;