[compiler-rt] 337a024 - [scudo][NFC] Fix cast warning

[Vitaly Buka via llvm-commits]

Author: Vitaly Buka
Date: 2021-04-25T15:47:28-07:00
New Revision: 337a024bba1dcf7d1dddc1a3f2750a9c777bbaa9

URL: https://github.com/llvm/llvm-project/commit/337a024bba1dcf7d1dddc1a3f2750a9c777bbaa9
DIFF: https://github.com/llvm/llvm-project/commit/337a024bba1dcf7d1dddc1a3f2750a9c777bbaa9.diff

LOG: [scudo][NFC] Fix cast warning

Added: 
    

Modified: 
    compiler-rt/lib/scudo/standalone/linux.cpp

Removed: 
    


################################################################################
diff  --git a/compiler-rt/lib/scudo/standalone/linux.cpp b/compiler-rt/lib/scudo/standalone/linux.cpp
index 9b5ed67c515d..63a8e43b5bfb 100644
--- a/compiler-rt/lib/scudo/standalone/linux.cpp
+++ b/compiler-rt/lib/scudo/standalone/linux.cpp
@@ -96,7 +96,7 @@ static bool madviseNeedsMemset() {
                          MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
   if (!P)
     dieOnMapUnmapError(errno == ENOMEM);
-  *P = -1;
+  *P = 1;
   while (madvise(P, Size, MADV_DONTNEED) == -1 && errno == EAGAIN) {
   }
   bool R = (*P != 0);