[Bug target/95219] New: [11 Regression] FAIL: gcc.dg/vect/costmodel/x86_64/costmodel-pr30843.c

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95219

            Bug ID: 95219
           Summary: [11 Regression] FAIL:
                    gcc.dg/vect/costmodel/x86_64/costmodel-pr30843.c
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: msebor at gcc dot gnu.org
  Target Milestone: ---

With yesterday's top of trunk I see the following test failure on x86_64-linux:

spawn -ignore SIGHUP /ssd/test/build/gcc-94923/gcc/xgcc
-B/ssd/test/build/gcc-94923/gcc/
/ssd/test/src/gcc/94923/gcc/testsuite/gcc.dg/vect/costmodel/x86_64/costmodel-pr30843.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O2 -ftree-vectorize
-fvect-cost-model=dynamic -msse2 -fdump-tree-vect-details -S -o
costmodel-pr30843.s
PASS: gcc.dg/vect/costmodel/x86_64/costmodel-pr30843.c (test for excess errors)
gcc.dg/vect/costmodel/x86_64/costmodel-pr30843.c: pattern found 0 times
FAIL: gcc.dg/vect/costmodel/x86_64/costmodel-pr30843.c scan-tree-dump-times
vect "vectorization not profitable" 1

Also seen here:
https://gcc.gnu.org/pipermail/gcc-testresults/2020-May/561528.html