http://llvm.org/bugs/show_bug.cgi?id=6801
Summary: sample clang plugin crashes
Product: clang
Version: trunk
Platform: All
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Build the PrintFunctionNames sample plugin in
tools/clang/examples/PrintFunctionNames/, then run:
$ clang -cc1 -load path/to/PrintFunctionNames.so -plugin print-fns t.cc
where t.cc has content:
int f() {
return 1;
}
and clang will crash:
Two passes with the same argument (-preverify) attempted to be registered!
UNREACHABLE executed at include/llvm/Support/PassNameParser.h:74!
0 clang 0x00000000012975ce
1 clang 0x00000000012974b5
2 libpthread.so.0 0x00007f9a507e3580
3 libc.so.6 0x00007f9a4ff98da5 gsignal + 53
4 libc.so.6 0x00007f9a4ff9a750 abort + 272
5 clang 0x00000000012bd928
llvm::FoldingSetNodeID::AddPointer(void const*) + 0
6 clang 0x0000000001213bb1
llvm::PassNameParser::passRegistered(llvm::PassInfo const*) + 229
7 clang 0x0000000001211c36 llvm::PassInfo::registerPass() +
140
8 clang 0x0000000000aecde3 llvm::PassInfo::PassInfo(char
const*, char const*, long, llvm::Pass* (*)(), bool, bool) + 145
9 PrintFunctionNames.so 0x00007f9a4ef3b965
10 PrintFunctionNames.so 0x00007f9a4ef3c99a
11 PrintFunctionNames.so 0x00007f9a4ef3cb19
12 PrintFunctionNames.so 0x00007f9a4ef9ae36
Stack dump:
0. Program arguments: clang -cc1 -load path/to/PrintFunctionNames.so -plugin
print-fns t.cc
Aborted
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