Don't try to dereference syms[0] on an empty vector. Reported by Todd Jackson

and Jeffrey Bosboom!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136066 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2011-07-26 08:40:36 +00:00
parent de77055a68
commit 5e0ac58bef

View File

@ -360,6 +360,8 @@ static ld_plugin_status all_symbols_read_hook(void) {
bool anySymbolsPreserved = false;
for (std::list<claimed_file>::iterator I = Modules.begin(),
E = Modules.end(); I != E; ++I) {
if (I->syms.empty())
continue;
(*get_symbols)(I->handle, I->syms.size(), &I->syms[0]);
for (unsigned i = 0, e = I->syms.size(); i != e; i++) {
if (I->syms[i].resolution == LDPR_PREVAILING_DEF) {