Tighten crash hash calculation to avoid duplicates by reading only top 10 lines of stack trace when calculating unique crash hash.
Tighten crash hash calculation to avoid duplicates by reading only top 10 lines of stack trace when calculating unique crash hash.

xhacker/swift-compiler-crashes,xhacker/swift-compiler-crashes,benshan/swift-compiler-crashes,rnapier/swift-compiler-crashes,Monits/swift-compiler-crashes,rnapier/swift-compiler-crashes,benshan/swift-compiler-crashes,jtbandes/swift-compiler-crashes,cnoon/swift-compiler-crashes,austinzheng/swift-compiler-crashes,natecook1000/swift-compiler-crashes,cnoon/swift-compiler-crashes,CodaFi/swift-compiler-crashes,CodaFi/swift-compiler-crashes,radex/swift-compiler-crashes,radex/swift-compiler-crashes,jtbandes/swift-compiler-crashes,natecook1000/swift-compiler-crashes,austinzheng/swift-compiler-crashes,Monits/swift-compiler-crashes