[all-commits] [llvm/llvm-project] 07b6ae: [lld][WebAssembly] Fix for TLS + --relocatable

[Sam Clegg via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 07b6aeb5685fa6474cbeae797ebc5ea1f17da0f7
      https://github.com/llvm/llvm-project/commit/07b6aeb5685fa6474cbeae797ebc5ea1f17da0f7
  Author: Sam Clegg <sbc at chromium.org>
  Date:   2021-01-13 (Wed, 13 Jan 2021)

  Changed paths:
    M lld/test/wasm/tls-no-shared.s
    M lld/test/wasm/tls.s
    M lld/wasm/Driver.cpp
    M lld/wasm/InputFiles.cpp
    M lld/wasm/Writer.cpp

  Log Message:
  -----------
  [lld][WebAssembly] Fix for TLS + --relocatable

When running in `-r/--relocatable` we output relocations but the
new TLS relocations type was missing from `ObjFile::calcNewAddend`
causing this combination of inputs/flags to crash the linker.

Also avoid creating tls variables in relocatable mode.  These variables
are only needed when linking final executables.

Fixes: https://github.com/emscripten-core/emscripten/issues/12934
Fixes: PR48506

Differential Revision: https://reviews.llvm.org/D93554