RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-18 18:42:46 +02:00
Code Issues Projects Releases Wiki Activity

[DenseMap] Add assertion that end() iterator isn't derefenced.

Browse Source 
This would have saved me some time this morning.
This commit is contained in:
Eli Friedman 2020-04-11 14:53:09 -07:00
parent 7bbe4c6008
commit 5bf90476ea
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/llvm/ADT/DenseMap.h
View File

@ -1201,12 +1201,14 @@ public:
reference operator*() const {
assert(isHandleInSync() && "invalid iterator access!");
assert(Ptr != End && "dereferencing end() iterator");
if (shouldReverseIterate<KeyT>())
return Ptr[-1];
return *Ptr;
}
pointer operator->() const {
assert(isHandleInSync() && "invalid iterator access!");
assert(Ptr != End && "dereferencing end() iterator");
if (shouldReverseIterate<KeyT>())
return &(Ptr[-1]);
return Ptr;
@ -1229,6 +1231,7 @@ public:
inline DenseMapIterator& operator++() { // Preincrement
assert(isHandleInSync() && "invalid iterator access!");
assert(Ptr != End && "incrementing end() iterator");
if (shouldReverseIterate<KeyT>()) {
--Ptr;
RetreatPastEmptyBuckets();