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| author | Justin Ridgewell <justin@ridgewell.name> | 2019-07-05 16:39:56 -0400 |
|---|---|---|
| committer | Justin Ridgewell <justin@ridgewell.name> | 2019-07-05 16:39:56 -0400 |
| commit | 3b6e8ed502e351d5d8daa3ac0c61a4e44b428d98 (patch) | |
| tree | 5ed3525f928d496ed0159cf2836972852a34bebf | |
| parent | 3d2c4ff45689df3c5a9196809a2b97315711d1fb (diff) | |
| download | rust-3b6e8ed502e351d5d8daa3ac0c61a4e44b428d98.tar.gz rust-3b6e8ed502e351d5d8daa3ac0c61a4e44b428d98.zip | |
Do not use pointer alignment on unsupported platforms
| -rw-r--r-- | src/libcore/str/mod.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libcore/str/mod.rs b/src/libcore/str/mod.rs index 277dc6ff4a8..95756c27117 100644 --- a/src/libcore/str/mod.rs +++ b/src/libcore/str/mod.rs @@ -1497,7 +1497,7 @@ fn run_utf8_validation(v: &[u8]) -> Result<(), Utf8Error> { // Ascii case, try to skip forward quickly. // When the pointer is aligned, read 2 words of data per iteration // until we find a word containing a non-ascii byte. - if align.wrapping_sub(index) % usize_bytes == 0 { + if align != usize::max_value() && align.wrapping_sub(index) % usize_bytes == 0 { let ptr = v.as_ptr(); while index < blocks_end { unsafe { |