[hwasan] make the print-memory-usage.c less agressive: do not assume that malloc can't happen before main
[hwasan] make the print-memory-usage.c less agressive: do not assume that malloc can't happen before main

git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@341615 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt