[Bug lto/86366] New: [9 regression] gcc.dg/profile-dir-3.c fails starting with r262251

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86366

            Bug ID: 86366
           Summary: [9 regression] gcc.dg/profile-dir-3.c fails starting
                    with r262251
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
                CC: marxin at gcc dot gnu.org
  Target Milestone: ---

make -k check-gcc RUNTESTFLAGS=dg.exp=gcc.dg/profile-dir-3.c
. . .
# of expected passes            1
# of unexpected failures        1
FAIL: gcc.dg/profile-dir-3.c scan-ipa-dump cgraph " ./profile-dir-3.gcda"


------------------------------------------------------------------------
r262251 | marxin | 2018-06-29 09:03:36 -0500 (Fri, 29 Jun 2018) | 11 lines

When using -fprofile-generate=/some/path mangle absolute path of file (PR
lto/85759).

2018-06-29  Martin Liska  <mliska@suse.cz>

        PR lto/85759
        * coverage.c (coverage_init): Mangle full path name.
        * doc/invoke.texi: Document the change.
        * gcov-io.c (mangle_path): New.
        * gcov-io.h (mangle_path): Likewise.
        * gcov.c (mangle_name): Use mangle_path for path mangling.

spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/ -fno-diagnostics-show-caret
-fdiagnostics-color=never -c -o uclibc58792.o uclibc58792.c
uclibc58792.c:4:3: error: #error !__UCLIBC__
compiler exited with status 1
Executing on host: /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/ profiling58792.c   
-fno-diagnostics-show-caret -fdiagnostics-color=never  -pg  -lm  -o
profiling58792.exe    (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/ profiling58792.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -pg -lm -o
profiling58792.exe
Executing on host: /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/profile-dir-3.c   
-fno-diagnostics-show-caret -fdiagnostics-color=never   -O -fprofile-generate
-fprofile-dir=. -fdump-ipa-cgraph -S -o profile-dir-3.s    (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/profile-dir-3.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -O -fprofile-generate
-fprofile-dir=. -fdump-ipa-cgraph -S -o profile-dir-3.s
PASS: gcc.dg/profile-dir-3.c (test for excess errors)
FAIL: gcc.dg/profile-dir-3.c scan-ipa-dump cgraph " ./profile-dir-3.gcda"