[lld] 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-lld

@llvm/pr-subscribers-lld-elf

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/166712.diff

1 Files Affected:

• (modified) lld/ELF/SyntheticSections.cpp (-2)

diff --git a/lld/ELF/SyntheticSections.cpp b/lld/ELF/SyntheticSections.cpp
index a4150ebfa1653..9a70c0d19c41d 100644
--- a/lld/ELF/SyntheticSections.cpp
+++ b/lld/ELF/SyntheticSections.cpp
@@ -54,8 +54,6 @@ using llvm::support::endian::read32le;
 using llvm::support::endian::write32le;
 using llvm::support::endian::write64le;
 
-constexpr size_t MergeNoTailSection::numShards;
-
 static uint64_t readUint(Ctx &ctx, uint8_t *buf) {
   return ctx.arg.is64 ? read64(ctx, buf) : read32(ctx, buf);
 }