gcc/libstdc++-v3/include at 8978da072f9ea7653416d59167a07e79be6cadaf - gcc

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Patrick Palka 8978da072f libstdc++/regex: Zero-initialize _ExecutorFrame flags

Prevents uninitialized read bugs, and it's also just natural to assume
flags are initially cleared rather than uninitialized.

In passing rename the _M_end flag to _M_subexpr_end to make it distinct
from _Executor::_M_end.

libstdc++-v3/ChangeLog:

	* include/bits/regex_executor.tcc (_ExecutorFrameBase):
	Zero-initialize _M_byte0.
	(_ExecutorFrameBase::_M_end): Rename to ...
	(_ExecutorFrameBase::_M_subexpr_end): ... this.
	(_Executor::_M_handle_subexpr_begin): Remove now redundant
	clearing of _M_subexpr_end.
	(_Executor::_M_handle_subexpr_end): Adjust after renaming.
	(_Executor::_M_dfs) <case _S_fopcode_restore_cur_results>:
	Likewise.

Reviewed-by: Jonathan Wakely <jwakely@redhat.com>

2026-02-02 15:14:20 -05:00

backward

Update copyright years.

2026-01-02 09:56:11 +01:00

bits

libstdc++/regex: Zero-initialize _ExecutorFrame flags

2026-02-02 15:14:20 -05:00

Update copyright years.

2026-01-02 09:56:11 +01:00

c_compatibility

Update copyright years.

2026-01-02 09:56:11 +01:00