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Reconfigure to rebuild docs: ./configure --enable-docs
/usr/gnu/bin/make  testrange testston32unsafe
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  CXX      src/test/range/test.o
In file included from ./src/util/range.h:10:0,
                 from ./src/test/range/test-impl.h:5,
                 from src/test/range/test.cc:4:
./src/util/free_list.h: In instantiation of 'class re2c::free_list<re2c::Range*>':
./src/util/range.h:37:12:   required from here
./src/util/free_list.h:10:7: warning: base class 'class std::set<re2c::Range*, std::less<re2c::Range*>, std::allocator<re2c::Range*> >' has a non-virtual destructor [-Weffc++]
 class free_list: protected std::set<_Ty>
       ^
  CXXLD    testrange
  CXX      src/test/s_to_n32_unsafe/test.o
  CXXLD    testston32unsafe
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/usr/gnu/bin/make  check-TESTS
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make[3]: Entering directory '$(@D)'
PASS: run_tests.sh
PASS: testrange
PASS: testston32unsafe
============================================================================
Testsuite summary for re2c 0.16
============================================================================
# TOTAL: 3
# PASS:  3
# SKIP:  0
# XFAIL: 0
# FAIL:  0
# XPASS: 0
# ERROR: 0
============================================================================
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