• Tobias Tebbi's avatar
    Reland^5 "[flags] warn about contradictory flags" · 0832a109
    Tobias Tebbi authored
    This is a reland of 2000aea5
    Changes compared to last reland:
    - Add rule in variants.py for --enable_experimental_regexp_engine.
    - Make sure --abort-on-contradictory-flags works as well as --fuzzing
      to disable the checking for fuzzers, including for d8 flags.
    
    Original change's description:
    > Reland^4 "[flags] warn about contradictory flags"
    >
    > This is a reland of 0ba115e6
    > Changes compared to last reland:
    > - Fix Python code trying to write to expected_outcomes, which is now a
    >   computed property.
    > - Fix remaining place in d8.cc that ignored the --fuzzing flag.
    > - Expect flag contradictions for --cache in code_serializer variant.
    >
    > Original change's description:
    > > Reland^3 "[flags] warn about contradictory flags"
    > >
    > > Changes:
    > > - Also allow second parameter influenced by --cache to be reassigned.
    > > - Fix --stress-opt to only --always-opt in the last iteration as before.
    > >
    > > Original change's description:
    > > > Reland^2 "[flags] warn about contradictory flags"
    > > >
    > > > This is a reland of d8f8a7e2
    > > > Change compared to last reland:
    > > > - Do not check for d8 flag contradictions in the presence of --fuzzing
    > > > - Allow identical re-declaration of --cache=*
    > > >
    > > > Original change's description:
    > > > > Reland "[flags] warn about contradictory flags"
    > > > >
    > > > > This is a reland of b8f91666
    > > > > Difference to previous CL: Additional functionality to specify
    > > > > incompatible flags based on GN variables and extra-flags, used
    > > > > to fix the issues that came up on the waterfall.
    > > > >
    > > > > This also changes the rules regarding repeated flags: While
    > > > > explicitly repeated flags are allowed for boolean values as long
    > > > > as they are identical, repeated flags or explicit flags in the
    > > > > presence of an active implication are disallowed for non-boolean
    > > > > flags. The latter simplifies specifying conflict rules in
    > > > > variants.py. Otherwise a rule like
    > > > >
    > > > > INCOMPATIBLE_FLAGS_PER_EXTRA_FLAG = {
    > > > >   "--gc-interval=*": ["--gc-interval=*"],
    > > > > }
    > > > >
    > > > > wouldn't work because specifying the same GC interval twice
    > > > > wouldn't actually count as a conflict. This was an issue with
    > > > > test/mjsunit/wasm/gc-buffer.js, which specifies
    > > > > --gc-interval=500 exactly like the extra flag by the stress bot.
    > > > >
    > > > > Also, this now expands contradictory flags checking to d8 flags
    > > > > for consistency.
    > > > >
    > > > > Original change's description:
    > > > > > [flags] warn about contradictory flags
    > > > > >
    > > > > > Design Doc: https://docs.google.com/document/d/1lkvu8crkK7Ei39qjkPCFijpNyxWXsOktG9GB-7K34jM/
    > > > > >
    > > > > > Bug: v8:10577
    > > > > > Change-Id: Ib9cfdffa401c48c895bf31caed5ee03545beddab
    > > > > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2154792
    > > > > > Reviewed-by: Clemens Backes <clemensb@chromium.org>
    > > > > > Reviewed-by: Michael Achenbach <machenbach@chromium.org>
    > > > > > Reviewed-by: Georg Neis <neis@chromium.org>
    > > > > > Reviewed-by: Tamer Tas <tmrts@chromium.org>
    > > > > > Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
    > > > > > Cr-Commit-Position: refs/heads/master@{#68168}
    > > > >
    > > > > Bug: v8:10577
    > > > > Change-Id: I268e590ee18a535b13dee14eeb15ddd0a9ee8341
    > > > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2235115
    > > > > Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
    > > > > Reviewed-by: Tamer Tas <tmrts@chromium.org>
    > > > > Reviewed-by: Clemens Backes <clemensb@chromium.org>
    > > > > Reviewed-by: Georg Neis <neis@chromium.org>
    > > > > Cr-Commit-Position: refs/heads/master@{#68989}
    > > >
    > > > Bug: v8:10577
    > > > Change-Id: I31d2794d4f9ff630f3444210100c64d67d881276
    > > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2339464
    > > > Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
    > > > Reviewed-by: Clemens Backes <clemensb@chromium.org>
    > > > Cr-Commit-Position: refs/heads/master@{#69339}
    > >
    > > Bug: v8:10577
    > > Cq-Include-Trybots: luci.v8.try:v8_linux64_tsan_rel_ng
    > > Cq-Include-Trybots: luci.v8.try:v8_linux64_tsan_isolates_rel_ng
    > > Change-Id: I4a69dc57a102782cb453144323e3752ac8278624
    > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2352770
    > > Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
    > > Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
    > > Reviewed-by: Clemens Backes <clemensb@chromium.org>
    > > Cr-Commit-Position: refs/heads/master@{#69433}
    >
    > Change-Id: Ib6d2aeb495210f581ac671221c265df58e8e5e70
    > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2398640
    > Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
    > Reviewed-by: Clemens Backes <clemensb@chromium.org>
    > Reviewed-by: Tamer Tas <tmrts@chromium.org>
    > Cr-Commit-Position: refs/heads/master@{#69954}
    
    Bug: v8:10577
    TBR: clemensb@chromium.org, tmrts@chromium.org
    Change-Id: Iab2d32cdcc2648934fc52255ccf3ae3ec9ca4d9b
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2416386Reviewed-by: 's avatarTobias Tebbi <tebbi@chromium.org>
    Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#70000}
    0832a109
regress-02256b.js 12.2 KB