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llvm-project/llvm/test/tools/llvm-cxxfilt/empty-line.test

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[llvm-cxxfilt]Add test to show that empty lines can be handled 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
2019-03-12 23:42:38 +08:00
# Show that llvm-cxxfilt can handle empty lines in the input.
RUN: echo "" > %t
RUN: echo "_Z3foov" >> %t
RUN: echo "" >> %t
[llvm-cxxfilt] Improve strip-underscore behavior Summary: For platform that uses macho format, c++filt should be stripping the leading underscore by default. Introduce the binutil compatible "-n" option to control strip-undercore behaivor together with the existing "-_" option and fallback to system default if none of them are set. rdar://problem/57173514 Reviewers: compnerd, erik.pilkington, dexonsmith, mattd Reviewed By: compnerd, erik.pilkington Subscribers: jkorous, ributzka, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D70250
2019-11-19 06:51:41 +08:00
RUN: llvm-cxxfilt -n < %t | FileCheck %s
[llvm-cxxfilt]Add test to show that empty lines can be handled 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
2019-03-12 23:42:38 +08:00
CHECK: {{^$}}
CHECK-NEXT: foo()
CHECK-EMPTY: