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Fix a crash bug in dumping options with groups

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Option groups don't have prefixes.  Option dumping is basically dead
code unless there is something wrong with the option table, so this
isn't an important crasher.

llvm-svn: 185031
This commit is contained in:
Reid Kleckner 2013-06-26 22:43:37 +00:00
parent d1d52203d6
commit 780d4ccf9e
1 changed files with 6 additions and 4 deletions
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10
lib/Option/Option.cpp
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@ -50,11 +50,13 @@ void Option::dump() const {
#undef P
}
llvm::errs() << " Prefixes:[";
for (const char * const *Pre = Info->Prefixes; *Pre != 0; ++Pre) {
llvm::errs() << '"' << *Pre << (*(Pre + 1) == 0 ? "\"" : "\", ");
if (Info->Prefixes) {
llvm::errs() << " Prefixes:[";
for (const char * const *Pre = Info->Prefixes; *Pre != 0; ++Pre) {
llvm::errs() << '"' << *Pre << (*(Pre + 1) == 0 ? "\"" : "\", ");
}
llvm::errs() << ']';
}
llvm::errs() << ']';
llvm::errs() << " Name:\"" << getName() << '"';