Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'.
- This is designed to make it obvious that %clang_cc1 is a "test variable"
which is substituted. It is '%clang_cc1' instead o

Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'.
- This is designed to make it obvious that %clang_cc1 is a "test variable"
which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it
can be useful to redefine what gets run as 'clang -cc1' (for example, to set
a default target).

llvm-svn: 91446

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Unify our diagnostic printing for errors of the form, "we didn't like
what we found when we looked into <blah>", where <blah> is a
DeclContext*. We can now format DeclContext*'s in nice ways, e.g.,
"

Unify our diagnostic printing for errors of the form, "we didn't like
what we found when we looked into <blah>", where <blah> is a
DeclContext*. We can now format DeclContext*'s in nice ways, e.g.,
"namespace N", "the global namespace", "'class Foo'".

This is part of PR3990, but we're not quite there yet.

llvm-svn: 84028

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When explicitly specializing a member that is a template, mark the
template as a specialization. For example, this occurs with:

template<typename T>
struct X {
template<typename U> struct In

When explicitly specializing a member that is a template, mark the
template as a specialization. For example, this occurs with:

template<typename T>
struct X {
template<typename U> struct Inner { /* ... */ };
};

template<> template<typename T>
struct X<int>::Inner {
T member;
};

We need to treat templates that are member specializations as special
in two contexts:

- When looking for a definition of a member template, we look
through the instantiation chain until we hit the primary template
*or a member specialization*. This allows us to distinguish
between the primary "Inner" definition and the X<int>::Inner
definition, above.
- When computing all of the levels of template arguments needed to
instantiate a member template, don't add template arguments
from contexts outside of the instantiation of a member
specialization, since the user has already manually substituted
those arguments.

Fix up the existing test for p18, which was actually wrong (but we
didn't diagnose it because of our poor handling of member
specializations of templates), and add a new test for member
specializations of templates.

llvm-svn: 83974

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When declaring a class template whose name is qualified, make sure
that the scope in which it is being declared is complete. Also, when
instantiating a member class template's ClassTemplateDecl, be s

When declaring a class template whose name is qualified, make sure
that the scope in which it is being declared is complete. Also, when
instantiating a member class template's ClassTemplateDecl, be sure to
delay type creation so that the resulting type is dependent. Ick.

llvm-svn: 83923

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