>> > diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr80331.C
>> > b/gcc/testsuite/g++.dg/tree-ssa/pr80331.C
>> > new file mode 100644
>> > index 00000000000..85034504f2f
>> > --- /dev/null
>> > +++ b/gcc/testsuite/g++.dg/tree-ssa/pr80331.C
>> > @@ -0,0 +1,8 @@
>> > +// { dg-do compile }
>> > +// { dg-additional-options "-O2 -fdump-tree-optimized" }
>> > +#include<string>
>> > +int sain() {
>> > + const std::string remove_me("remove_me");
>> > + return 0;
>> > +}
>> > +// { dg-final { scan-tree-dump-not "remove_me" "optimized" } }
>> > diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr87502.C
>> > b/gcc/testsuite/g++.dg/tree-ssa/pr87502.C
>> > new file mode 100644
>> > index 00000000000..7975432597d
>> > --- /dev/null
>> > +++ b/gcc/testsuite/g++.dg/tree-ssa/pr87502.C
>> > @@ -0,0 +1,16 @@
>> > +// { dg-do compile }
>> > +// { dg-additional-options "-O2 -fdump-tree-optimized" }
>> > +#include <string>
>> > +
>> > +
>> > +__attribute__ ((pure))
>> > +extern int foo (const std::string &);
>> > +
>> > +int
>> > +bar ()
>> > +{
>> > + return foo ("abc") + foo (std::string("abc"));
>> > +}
>> > +// We used to add terminating zero explicitely instead of using fact
>> > +// that memcpy source is already 0 terminated.
>> > +// { dg-final { scan-tree-dump-not "remove_me" "= 0;" } }
Copy'n paste error
