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Catch exceptions by const-reference

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Exceptions caught by value incur needless cost in C++, most of them can
be caught by const-reference, especially as nearly none are actually
used. This could allow compiler generate a slightly more efficient code.
This commit is contained in:
Michał Janiszewski 2018-10-12 21:15:31 +02:00
parent b301a59899
commit cfd0486582
36 changed files with 45 additions and 45 deletions
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2
src/muz/spacer/spacer_farkas_learner.cpp
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@ -95,7 +95,7 @@ bool farkas_learner::is_pure_expr(func_decl_set const& symbs, expr* e, ast_manag
is_pure_expr_proc proc(symbs, m);
try {
for_each_expr(proc, e);
} catch (is_pure_expr_proc::non_pure) {
} catch (const is_pure_expr_proc::non_pure &) {
return false;
}
return true;