Alexey Samsonov 773e8c3966 [ASan] Use llvm::getDISubprogram() to get function entry debug location.
It can be more robust than copying debug info from first non-alloca
instruction in the entry basic block. We use the same strategy in
coverage instrumentation.

llvm-svn: 240738
2015-06-26 00:00:47 +00:00
..