[cfe-dev] Fwd: [clang] Is truncating/extending array index still necessary?

[Jingyue Wu]

When emitting array subscripts, clang extends or truncate the index type to
the size of a pointer (lib/CodeGen/CGExpr.cpp:2260). This code was added in
a very initial commit. Is it still necessary given gep supports any-width
integers as an array index (http://llvm.org/docs/LangRef.html#id180)?

Jingyue
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