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| author | Jed Davis <jld@panix.com> | 2013-10-20 11:13:41 -0700 |
|---|---|---|
| committer | Jed Davis <jld@panix.com> | 2013-10-29 09:09:20 -0700 |
| commit | 472d798dc1c0a7804b54c67b485e134fe097a57e (patch) | |
| tree | 08b5e84befe41e821f7cdfd9d3a03f591e10c9e6 /src/libstd/num | |
| parent | de9bb9738d8fcd95222fc0c9383953881e31d4d5 (diff) | |
| download | rust-472d798dc1c0a7804b54c67b485e134fe097a57e.tar.gz rust-472d798dc1c0a7804b54c67b485e134fe097a57e.zip | |
Work around const_eval issues by changing signed integer `min_value`s.
Otherwise, run-pass/deriving-primitive.rs breaks on 32-bit platforms, because `int::min_value` is `0xffffffff7fffffff` when evaluated for the discriminant declaration.
Diffstat (limited to 'src/libstd/num')
| -rw-r--r-- | src/libstd/num/int_macros.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libstd/num/int_macros.rs b/src/libstd/num/int_macros.rs index 694e5e7f6bf..ba1a7a4f912 100644 --- a/src/libstd/num/int_macros.rs +++ b/src/libstd/num/int_macros.rs @@ -29,7 +29,8 @@ pub static bits : uint = $bits; pub static bytes : uint = ($bits / 8); pub static min_value: $T = (-1 as $T) << (bits - 1); -pub static max_value: $T = min_value - 1 as $T; +// FIXME(#9837): Compute min_value like this so the high bits that shouldn't exist are 0. +pub static max_value: $T = !min_value; impl CheckedDiv for $T { #[inline] |