[Bug sanitizer/78832] New: [7 Regression] -fcompare-debug failure (length) with -fsanitize=address

[burnus at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78832

            Bug ID: 78832
           Summary: [7 Regression] -fcompare-debug failure (length) with
                    -fsanitize=address
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: sanitizer
          Assignee: unassigned at gcc dot gnu.org
          Reporter: burnus at gcc dot gnu.org
                CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
                    jakub at gcc dot gnu.org, kcc at gcc dot gnu.org
  Target Milestone: ---

Created attachment 40347
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40347&action=edit
Test case (test14.ii): Compile with g++ -O1 -fcompare-debug -fsanitize=address

Running
  g++ -S -O1 -fcompare-debug -fsanitize=address -std=c++17 -g3 -Wfatal-errors 
-w test14.ii

gives:
  g++: error: test14.ii: -fcompare-debug failure (length)