lib/std/builtin.zig                                            |  1 +
 src/InternPool.zig                                             | 11 +++++++++--
 src/Sema.zig                                                   | 23 ++++++++++++++++++++++-
 src/Value.zig                                                  |  4 ++--
 src/Zcu.zig                                                    |  3 +++
 src/Zcu/PerThread.zig                                          |  1 +
 src/codegen/llvm.zig                                           | 22 +++++++++++++---------
 src/codegen/llvm/Builder.zig                                   |  4 ++++
 test/cases/compile_errors/builtin_extern_in_comptime_scope.zig | 18 ++++++++++++++++++
 test/standalone/extern/build.zig                               | 19 +++++++++++++++----
 test/standalone/extern/main.zig                                |  7 ++++++-
 test/standalone/extern/shared.c                                |  5 +++++
 12 files changed, 99 insertions(+), 19 deletions(-)