Merge "Handle IOExceptions if addr2line fails."

am: 9a192cd10b

Change-Id: Ia25198fd229ea9ed76d98fafc187ddb144aa4f87

scripts/symbol.py

@@ -297,6 +297,7 @@ def CallAddr2LineForSet(lib, unique_addrs):
   child = _PIPE_ADDR2LINE_CACHE.GetProcess(cmd)
 
   for addr in addrs:
+    try:
       child.stdin.write("0x%s\n" % addr)
       child.stdin.flush()
       records = []
@@ -317,6 +318,9 @@ def CallAddr2LineForSet(lib, unique_addrs):
           # The blank line will cause addr2line to emit "??\n??:0\n".
           child.stdin.write("\n")
           first = False
+    except IOError as e:
+      # Remove the / in front of the library name to match other output.
+      records = [(None, lib[1:] + "  ***Error: " + str(e))]
     result[addr] = records
     addr_cache[addr] = records
   return result