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-rw-r--r--src/PositionCache.cxx5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/PositionCache.cxx b/src/PositionCache.cxx
index ea281f7ab..e9edb84e7 100644
--- a/src/PositionCache.cxx
+++ b/src/PositionCache.cxx
@@ -723,10 +723,11 @@ bool PositionCacheEntry::Retrieve(unsigned int styleNumber_, const char *s_,
}
unsigned int PositionCacheEntry::Hash(unsigned int styleNumber_, const char *s, unsigned int len_) noexcept {
- unsigned int ret = s[0] << 7;
+ const unsigned char *us = reinterpret_cast<const unsigned char *>(s);
+ unsigned int ret = us[0] << 7;
for (unsigned int i=0; i<len_; i++) {
ret *= 1000003;
- ret ^= s[i];
+ ret ^= us[i];
}
ret *= 1000003;
ret ^= len_;