Harald van Dijk fed7be096f Mark identifier prefixes as substitutable ...

The Itanium C++ ABI says prefixes are substitutable. For most prefixes
we already handle this: the manglePrefix(const DeclContext *, bool) and
manglePrefix(QualType) overloads explicitly handles substitutions or
defer to functions that handle substitutions on their behalf. The
manglePrefix(NestedNameSpecifier *) overload, however, is different and
handles some cases implicitly, but not all. The Identifier case was not
handled; this change adds handling for it, as well as a test case.

Reviewed By: erichkeane

Differential Revision: https://reviews.llvm.org/D122663

2022-05-02 18:07:47 +01:00

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