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re PR libgcc/56846 (_Unwind_Backtrace on ARM and noexcept) 

2014-09-10  Tony Wang  <tony.wang@arm.com>

    libstdc++-v3/
    PR target/56846
    * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION):
    Return with CONTINUE_UNWINDING when the state pattern
    contains: _US_VIRTUAL_UNWIND_FRAME | _US_FORCE_UNWIND

From-SVN: r215101
This commit is contained in:
Tony Wang 2014-09-10 04:45:32 +00:00 committed by Thomas Preud'homme
parent 27be0c3223
commit 0876bdf57b
2 changed files with 13 additions and 0 deletions
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7
libstdc++-v3/ChangeLog
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@ -1,3 +1,10 @@
2014-09-10 Tony Wang <tony.wang@arm.com>
PR target/56846
* libsupc++/eh_personality.cc (PERSONALITY_FUNCTION):
Return with CONTINUE_UNWINDING when the state pattern
contains: _US_VIRTUAL_UNWIND_FRAME | _US_FORCE_UNWIND
2014-09-09 Jonathan Wakely <jwakely@redhat.com>
* include/bits/deque.tcc (deque::operator=(const deque&)): Handle

6
libstdc++-v3/libsupc++/eh_personality.cc
View File

@ -378,6 +378,12 @@ PERSONALITY_FUNCTION (int version,
switch (state & _US_ACTION_MASK)
{
case _US_VIRTUAL_UNWIND_FRAME:
// If the unwind state pattern is
// _US_VIRTUAL_UNWIND_FRAME | _US_FORCE_UNWIND
// then we don't need to search for any handler as it is not a real
// exception. Just unwind the stack.
if (state & _US_FORCE_UNWIND)
CONTINUE_UNWINDING;
actions = _UA_SEARCH_PHASE;
break;