[Bug debug/94323] New: [10 Regression] g++: error: x.cpp: ‘-fcompare-debug’ failure since r10-7359-g6e771c087b10d5b730240ea35478eab8694c9c5d

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94323

            Bug ID: 94323
           Summary: [10 Regression] g++: error: x.cpp: ‘-fcompare-debug’
                    failure since
                    r10-7359-g6e771c087b10d5b730240ea35478eab8694c9c5d
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: jakub at gcc dot gnu.org, jason at gcc dot gnu.org
  Target Milestone: ---

Since the revision I see:

$ cat x.cpp
volatile int a;
void fn1() {
  ({ a; });
}

$ g++ x.cpp -O2 -fcompare-debug -c
g++: error: x.cpp: ‘-fcompare-debug’ failure