https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68197
Bug ID: 68197
Summary: negative index to ios_base::iword lead to
unpredictable result
Product: gcc
Version: 5.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: mickael.guene at st dot com
Target Milestone: ---
Created attachment 36639
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36639&action=edit
segfault on my machine
Attach test program will crash since iword(-1000000) return invalid memory
address.
In that case it should return a valid long& intialized to 0.
Inline iword and pword should check negative value.
