Bug ID: 84392
           Summary: test case gcc.dg/graphite/uns-interchange-9.c and 3
                    others fail on power9
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot
          Reporter: seurer at gcc dot
  Target Milestone: ---

These 4 tests fail on power9

FAIL: gcc.dg/graphite/uns-interchange-9.c scan-tree-dump graphite "tiled"
FAIL: gcc.dg/graphite/interchange-3.c scan-tree-dump graphite "tiled"
FAIL: gcc.dg/graphite/interchange-7.c scan-tree-dump graphite "tiled"
FAIL: gcc.dg/graphite/interchange-9.c scan-tree-dump graphite "tiled"

They appear to be erratic in failing; while trying to track down an originating
revision I was seeing some older revisions work and then later fail.

When they fail they all fail the same way:

spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-trunk/gcc/xgcc
-fno-diagnostics-show-caret -fdiagnostics-color=never -O2 -ffast-math
-floop-nest-optimize -fdump-tree-graphite-all -lm -o ./interchange-3.exe
PASS: gcc.dg/graphite/interchange-3.c (test for excess errors)
. . .
PASS: gcc.dg/graphite/interchange-3.c execution test
FAIL: gcc.dg/graphite/interchange-3.c scan-tree-dump graphite "tiled"

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