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Now that the frontend issue PR c++/94038 is thoroughly fixed, the testcase for PR93978 no longer fails to compile with -O -Wall, so add -Wall to the testcase's compile flags to help ensure we don't regress here. libstdc++-v3/ChangeLog: PR libstdc++/93978 * testsuite/std/ranges/adaptors/93978.cc: Add -Wall to dg-additional-options. Avoid unused-but-set-variable warning.
file: libstdc++-v3/README New users may wish to point their web browsers to the file index.html in the 'doc/html' subdirectory. It contains brief building instructions and notes on how to configure the library in interesting ways.