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-- { dg-do compile } -- { dg-require-effective-target store_merge } -- { dg-options "-O2 -gnatn -fdump-tree-store-merging" } with Opt87_Pkg; use Opt87_Pkg; procedure Opt87 is begin Print ("problem detected", "level 1"); end; -- { dg-final { scan-tree-dump "1 stores to replace old one of 6 stores" "store-merging" } }