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I recently discovered a bug in llvm-cxxfilt introduced in r353743 but was fixed later incidentally due to r355031. Specifically, llvm-cxxfilt was attempting to call .back() on an empty string any time there was a new line in the input. This was causing a crash in my debug builds only. This patch simply adds a test that explicitly tests that llvm-cxxfilt handles empty lines correctly. It may pass under release builds under the broken behaviour, but it fails at least in debug builds. Reviewed by: mattd Differential Revision: https://reviews.llvm.org/D58785 llvm-svn: 355929
10 lines
216 B
Plaintext
10 lines
216 B
Plaintext
# Show that llvm-cxxfilt can handle empty lines in the input.
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RUN: echo "" > %t
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RUN: echo "_Z3foov" >> %t
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RUN: echo "" >> %t
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RUN: llvm-cxxfilt < %t | FileCheck %s
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CHECK: {{^$}}
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CHECK-NEXT: foo()
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CHECK-EMPTY:
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