Merge pull request #55 from aalexand/aalexand-heap-unhide-reflected-calls

Do not hide allocation frames under call32/call64.

profile/legacy_profile.go

 	// Preserve Go runtime frames that appear in the middle/bottom of
 	// the stack.
 	`runtime\.panic`,
+	// See https://github.com/google/pprof/issues/54.
+	`runtime\.call32`,
+	`runtime\.call64`,
 }, `|`)
 
 var cpuProfilerRxStr = strings.Join([]string{