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Fix a crash bug in dumping options with groups 

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 fc5eb5e264
commit 7b78d359fb
1 changed files with 6 additions and 4 deletions
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10
llvm/lib/Option/Option.cpp
View File

@ -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() << '"';