304   std::vector<unsigned> PPStartCond;  in LexTokens()  local
389         PPStartCond.push_back(PPCond.size());  in LexTokens()
399         assert(!PPStartCond.empty());  in LexTokens()
400         assert(PPCond.size() > PPStartCond.back());  in LexTokens()
401         assert(PPCond[PPStartCond.back()].second == 0);  in LexTokens()
402         PPCond[PPStartCond.back()].second = index;  in LexTokens()
403         PPStartCond.pop_back();  in LexTokens()
424         assert(!PPStartCond.empty());  in LexTokens()
425         assert(PPCond.size() > PPStartCond.back());  in LexTokens()
426         assert(PPCond[PPStartCond.back()].second == 0);  in LexTokens()
427         PPCond[PPStartCond.back()].second = index;  in LexTokens()
428         PPStartCond.pop_back();  in LexTokens()
431         PPStartCond.push_back(index);  in LexTokens()
441   assert(PPStartCond.empty() && "Error: imblanced preprocessor conditionals.");  in LexTokens()