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-rw-r--r--lib/Support/Allocator.cpp4
-rw-r--r--lib/Support/Unix/Program.inc5
2 files changed, 7 insertions, 2 deletions
diff --git a/lib/Support/Allocator.cpp b/lib/Support/Allocator.cpp
index b4fdc1e1bc..e269cf997a 100644
--- a/lib/Support/Allocator.cpp
+++ b/lib/Support/Allocator.cpp
@@ -104,8 +104,8 @@ void *BumpPtrAllocator::Allocate(size_t Size, size_t Alignment) {
if (Ptr + Size <= End) {
CurPtr = Ptr + Size;
// Update the allocation point of this memory block in MemorySanitizer.
- // Without this, MemorySanitizer reports for values originating from it will
- // point to the allocation point of the entire slab.
+ // Without this, MemorySanitizer messages for values originated from here
+ // will point to the allocation of the entire slab.
__msan_allocated_memory(Ptr, Size);
return Ptr;
}
diff --git a/lib/Support/Unix/Program.inc b/lib/Support/Unix/Program.inc
index c384316e20..117151c91d 100644
--- a/lib/Support/Unix/Program.inc
+++ b/lib/Support/Unix/Program.inc
@@ -17,6 +17,7 @@
//===----------------------------------------------------------------------===//
#include "Unix.h"
+#include "llvm/Support/Compiler.h"
#include "llvm/Support/FileSystem.h"
#include <llvm/Config/config.h>
#if HAVE_SYS_STAT_H
@@ -164,12 +165,16 @@ static void SetMemoryLimits (unsigned size)
setrlimit (RLIMIT_RSS, &r);
#endif
#ifdef RLIMIT_AS // e.g. NetBSD doesn't have it.
+ // Don't set virtual memory limit if built with any Sanitizer. They need 80Tb
+ // of virtual memory for shadow memory mapping.
+#if !LLVM_MEMORY_SANITIZER_BUILD && !LLVM_ADDRESS_SANITIZER_BUILD
// Virtual memory.
getrlimit (RLIMIT_AS, &r);
r.rlim_cur = limit;
setrlimit (RLIMIT_AS, &r);
#endif
#endif
+#endif
}
bool