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fix for AST optimization altering top-level body statement

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This commit is contained in:
Vern Paxson 2021-05-30 17:37:44 -07:00
parent 22af54dda2
commit 143d306883
3 changed files with 17 additions and 5 deletions
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4
src/script_opt/UseDefs.cc
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@ -37,7 +37,7 @@ void UseDefs::Analyze()
(void) PropagateUDs(body, nullptr, nullptr, false);
}
void UseDefs::RemoveUnused()
StmtPtr UseDefs::RemoveUnused()
{
int iter = 0;
while ( RemoveUnused(++iter) )
@ -48,6 +48,8 @@ void UseDefs::RemoveUnused()
if ( reporter->Errors() > 0 )
break;
}
return body;
}
void UseDefs::Dump()