[Sanitizers] Fix a memory leak.

Differential Revision: https://reviews.llvm.org/D146756

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_suppressions.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_suppressions.cpp
index a674034..f381852 100644 (file)
--- a/compiler-rt/lib/sanitizer_common/sanitizer_suppressions.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_suppressions.cpp
@@ -86,6 +86,7 @@ void SuppressionContext::ParseFromFile(const char *filename) {
   }
 
   Parse(file_contents);
+  UnmapOrDie(file_contents, contents_size);
 }
 
 bool SuppressionContext::Match(const char *str, const char *type,