Hi Matt,
Being an experienced C++ user with templates, I think you are the ideal
candidate to provide the test suite you are talking about.
If you develop it, I will be pleased to add it to our standard Root test suite.
Rene Brun
Matthew D. Langston wrote:
>
> I've come across a CINT bug in ROOT 2.25.01 that affects all STL
> containers that depend on the "construct" template function (which, to
> my knowledge, is all STL containers). The nature of the bug looks like
> it is an CINT internal compiler error, as CINT can't handle the
> "construct" template function in "cint/stl/defalloc.h" (line 120).
>
> I've attached a small test file (called "test_vector.C") that
> demonstrates the problem. The problem does not appear in ROOT 2.24.05
> (i.e. "test_vector.C" and the rest of my template and STL code runs fine
> with ROOT 2.24.05). This is the error I get from ROOT 2.25.01:
>
> root [0] .x test_vector.C
> Error: Undeclared variable value FILE:defalloc.h LINE:120
> *** Interpreter error recovered ***
> root [1]
>
> This is the C++ template code (from "cint/stl/defalloc.h) that CINT is
> having trouble with:
>
> template <class T1, class T2>
> inline void construct(T1* p, const T2& value) {
> new (p) T1(value);
> }
>
> Perhaps this is a good time to make another request for a ROOT test
> suite. If ROOT had such a test suite, then code like "test_vector.C"
> could be put into it so that future releases of ROOT don't introduce
> bugs that were fixed in previous releases. Perhaps ROOT could start
> with the gcc/g++ test suite. Although CINT only promises to support 85%
> of C++, it would at least let ROOT users know specifically what that 15%
> of C++ we can't use is.
>
> Regards, Matt
>
> --
> Matthew D. Langston
> SLD, Stanford Linear Accelerator Center
> langston@SLAC.Stanford.EDU
>
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