[Bug c++/42251] [4.5 Regression] failure detecting constant integral expression

[rwgk at yahoo dot com]

------- Comment #2 from rwgk at yahoo dot com  2009-12-06 19:18 -------
With a binary search in the svn history I found that the change below lead to
the regression.
I believe it is a major problem. Could someone confirm it?
I think it should be a P1.

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r154768 | dodji | 2009-11-30 01:58:20 -0800 (Mon, 30 Nov 2009) | 9 lines

Fix PR c++/42069

gcc/cp/ChangeLog:
        PR c++/42069
        * pt.c (convert_template_argument): Strip typedefs from SCOPE_REFs.

gcc/testsuite/ChangeLog:
        PR c++/42069
        * g++.dg/template/typedef23.C: New test.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42251