https://bugs.llvm.org/show_bug.cgi?id=34667
Bug ID: 34667
Summary: clang-format crashes with blank assume-filename
Product: clang
Version: 4.0
Hardware: Macintosh
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: Formatter
Assignee: unassignedclangb...@nondot.org
Reporter: mi...@werbitt.net
CC: djas...@google.com, kli...@google.com,
llvm-bugs@lists.llvm.org
Overview
--------------------
clang-format crashes when the assume-filename is given a blank string
Steps to Reproduce
--------------------
clang-format -output-replacements-xml -assume-filename '' -offset 0 -length 10
-cursor 5 <<< 'aaaa = 1234;'
Actual Results
--------------------
clang-format -output-replacements-xml -assume-filename '' -offset 0 -length 10
-cursor 5 <<< 'aaaa = 1234;'
0 clang-format 0x0000000106ba765b
llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40
1 clang-format 0x0000000106ba6f93 llvm::sys::RunSignalHandlers() +
83
2 clang-format 0x0000000106ba7aaa SignalHandler(int) + 195
3 libsystem_platform.dylib 0x00007fff8d04452a _sigtramp + 26
4 libsystem_platform.dylib 0x00007fff59089ea0 _sigtramp + 3422837136
5 clang-format 0x0000000106bde825
clang::format::Environment::CreateVirtualEnvironment(llvm::StringRef,
llvm::StringRef, llvm::ArrayRef<clang::tooling::Range>) + 661
6 clang-format 0x0000000106bcc115
clang::format::reformat(clang::format::FormatStyle const&, llvm::StringRef,
llvm::ArrayRef<clang::tooling::Range>, llvm::StringRef, bool*) + 221
7 clang-format 0x0000000106b75892
clang::format::format(llvm::StringRef) + 3655
8 clang-format 0x0000000106b74880 main + 671
9 libdyld.dylib 0x00007fff93d4a5ad start + 1
zsh: segmentation fault clang-format -output-replacements-xml -assume-filename
'' -offset 0 -length 1
Expected Results
--------------------
Should exit with error:
No such file or directory
Clang Format Version
--------------------
clang-format version 4.0.1 (tags/RELEASE_401/final)
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