[BinaryFormat] Remove redundant declarations (NFC)

[kazutakahirata]

In C++17, static constexpr members are implicitly inline, so they no
longer require an out-of-line definition.

Identified with readability-redundant-declaration.

[llvmbot]

@llvm/pr-subscribers-llvm-binary-utilities

@llvm/pr-subscribers-debuginfo

Author: Kazu Hirata (kazutakahirata)

Changes

In C++17, static constexpr members are implicitly inline, so they no
longer require an out-of-line definition.

Identified with readability-redundant-declaration.

---

Full diff: https://github.com/llvm/llvm-project/pull/166010.diff

1 Files Affected:

• (modified) llvm/lib/BinaryFormat/Dwarf.cpp (-7)

diff --git a/llvm/lib/BinaryFormat/Dwarf.cpp b/llvm/lib/BinaryFormat/Dwarf.cpp
index 55fa2df632bfa..a6c7e6afdbe7a 100644
--- a/llvm/lib/BinaryFormat/Dwarf.cpp
+++ b/llvm/lib/BinaryFormat/Dwarf.cpp
@@ -1076,10 +1076,3 @@ StringRef (*const llvm::dwarf::EnumTraits<LineNumberOps>::StringFn)(unsigned) =
     LNStandardString;
 StringRef (*const llvm::dwarf::EnumTraits<Index>::StringFn)(unsigned) =
     IndexString;
-
-constexpr char llvm::dwarf::EnumTraits<Attribute>::Type[];
-constexpr char llvm::dwarf::EnumTraits<Form>::Type[];
-constexpr char llvm::dwarf::EnumTraits<Index>::Type[];
-constexpr char llvm::dwarf::EnumTraits<Tag>::Type[];
-constexpr char llvm::dwarf::EnumTraits<LineNumberOps>::Type[];
-constexpr char llvm::dwarf::EnumTraits<LocationAtom>::Type[];