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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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4
src/ast/occurs.cpp
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@ -58,7 +58,7 @@ bool occurs(expr * n1, expr * n2) {
try {
quick_for_each_expr(p, n2);
}
catch (occurs_namespace::found) {
catch (const occurs_namespace::found &) {
return true;
}
return false;
@ -69,7 +69,7 @@ bool occurs(func_decl * d, expr * n) {
try {
quick_for_each_expr(p, n);
}
catch (occurs_namespace::found) {
catch (const occurs_namespace::found &) {
return true;
}
return false;