Error out if the offset and size hint are the same

root-project · Nov 25, 2020 · 6d29b44 · 6d29b44
1 parent 469b539
commit 6d29b44
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/io/io/src/TStreamerInfo.cxx b/io/io/src/TStreamerInfo.cxx
@@ -5678,6 +5678,12 @@ TVirtualStreamerInfo *TStreamerInfo::GenerateInfoForPair(const std::string &firs
    // This TStreamerInfo is then used as if it was read from a file to generate
    // and emulated TClass.
 
+   if (hint_pair_offset && hint_pair_offset == hint_pair_size) {
+      Error("GenerateInfoForPair",
+            "Called with inconsistent offset and size. For \"std::pair<%s,%s>\" requested offset is %d but size is the same (%d)",
+            firstname.c_str(), secondname.c_str(), hint_pair_offset, hint_pair_offset);
+      return nullptr;
+   }
    TStreamerInfo *i = (TStreamerInfo*)TClass::GetClass("pair<const int,int>")->GetStreamerInfo()->Clone();
    std::string pname = "pair<" + firstname + "," + secondname;
    pname += (pname[pname.length()-1]=='>') ? " >" : ">";