https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68547
Bug ID: 68547
Summary: incorrect optimization
Product: gcc
Version: 5.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: jan.sm...@alcatel-lucent.com
Target Milestone: ---
Created attachment 36841
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36841&action=edit
test case
$ g++ test.cc -o test -O2 -Wall && ./test
DEL element[1]=200 volatile
DEL element[1]=200 last_element_index=2 (should be 2) volatile
DEL element[1]=200
DEL element[1]=200 last_element_index=1 (should be 2)
$ g++ test.cc -o test -O0 -Wall && ./test
DEL element[1]=200 volatile
DEL element[1]=200 last_element_index=2 (should be 2) volatile
DEL element[1]=200
DEL element[1]=200 last_element_index=2 (should be 2)
