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b741aa0018
For very large control flow graphs the markControllingTerminatorsLive can stack overflow. Fix this by doing the work iteratively instead of recursively. rdar://106198943
20 lines
484 B
Plaintext
20 lines
484 B
Plaintext
// RUN: %empty-directory(%t)
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// RUN: %gyb %s > %t/main.swift
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// RUN: %target-swift-frontend -O -parse-as-library -sil-verify-none -emit-sil %t/main.swift -o /dev/null
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// REQUIRES: swift_stdlib_no_asserts,optimized_stdlib
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// REQUIRES: long_test
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// Check that the compiler does not crash in DCE due to a stack overflow.
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// rdar://106198943
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public func test(_ a: Int) -> Int {
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switch (a) {
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% for i in range(32000):
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case ${i}: return ${i % 7}
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% end
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default: return -1
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}
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}
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