Currently windows fails on startup with:
CHECK failed: gotsan.cc:3077 "(((m - prev_m) / kMetaShadowSize)) == (((p - prev) / kMetaShadowCell))" (0x3ffffffeffffff7e, 0x6ffffff7e)
Make MemToMeta do the same MemToShadow does on windows: add offset instead of or'ing it.
llvm-svn: 285420
return (u32*)(((((x) & ~(Mapping::kAppMemMsk | (kMetaShadowCell - 1)))) /
kMetaShadowCell * kMetaShadowSize) | Mapping::kMetaShadowBeg);
#else
+# ifndef SANITIZER_WINDOWS
return (u32*)(((x & ~(kMetaShadowCell - 1)) / \
kMetaShadowCell * kMetaShadowSize) | Mapping::kMetaShadowBeg);
+# else
+ return (u32*)(((x & ~(kMetaShadowCell - 1)) / \
+ kMetaShadowCell * kMetaShadowSize) + Mapping::kMetaShadowBeg);
+# endif
#endif
}