bc9645509e
This un-revert fixes the issues revealed in https://logs.chromium.org/v/?s=chromium%2Fbb%2Fclient.dart%2Fvm-kernel-mac-release-x64-be%2F2217%2F%2B%2Frecipes%2Fsteps%2Fvm_tests%2F0%2Fstdout.
Patchset 1 contains the original revision unmodified.
This reverts commit 9029ee09c5.
Bug:
Change-Id: I109c011c2688144b00293ce50b3aad53e018a2f2
Reviewed-on: https://dart-review.googlesource.com/18340
Reviewed-by: Régis Crelier <regis@google.com>
Target configurations.
A target can tailor the kernel IR for a specific backend.