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Duplicate class template instantiations via %template changes

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Named duplicate class template instantiations now issue a warning and are ignored.
Duplicate empty class template instantiations are quietly ignored.

The test cases are fixed for this new behaviour.

This commit is a pre-requisite for the near future so that the Python
builtin wrappers can correctly use the SwigType_namestr function without
generating duplicate symbol names.
This commit is contained in:
William S Fulton 2022-11-18 18:49:48 +00:00
commit 4729cf2b1f
16 changed files with 283 additions and 55 deletions
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13
Examples/test-suite/errors/cpp_template_repeat.i
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@ -4,4 +4,15 @@ template<class T> T blah(T x) { };
%template(iblah) blah<int>;
%template(iiblah) blah<int>;
// The second %template instantiation above should surely be ignored with a warning, but doesn't atm
// empty template instantiations for template functions warn (unlike for template classes)
%template() blah<double>;
%template() blah<double>;
%template() blah<double>;
%template(sblah) blah<short>;
%template(sblah) blah<short>;
%template() blah<const char *>;
%template() blah<const char *>;
%template(sblah) blah<const char *>;