[Bug testsuite/100346] New: [11 regression] printf tests fail after r11-6755

["seurer at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100346

            Bug ID: 100346
           Summary: [11 regression] printf tests fail after r11-6755
           Product: gcc
           Version: 11.1.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

g:3804e937b0e252a7e42632fe6d9f898f1851a49c, r11-6755

There are 3 similar failures starting with this revision on a powerpc64 power 9
LE system.  I tried this on some other systems (power 7, 8, and 10) and on all
of them the tests were flagged as unsupported so perhaps that is all that is
needed here?

commit 3804e937b0e252a7e42632fe6d9f898f1851a49c (HEAD)
Author: Mark Wielaard <mark@klomp.org>
Date:   Tue Sep 29 15:52:44 2020 +0200

    Default to DWARF5


make  -k check-gcc
RUNTESTFLAGS="execute.exp=gcc.c-torture/execute/user-printf.c"
FAIL: gcc.c-torture/execute/user-printf.c   -O3 -g  (test for excess errors)
# of expected passes            15
# of unexpected failures        1

spawn -ignore SIGHUP /home3/seurer/gcc/git/build/gcc-11-test/gcc/xgcc
-B/home3/seurer/gcc/git/build/gcc-11-test/gcc/
/home/seurer/gcc/git/gcc-11-test/gcc/testsuite/gcc.c-torture/execute/user-printf.c
-fdiagnostics-plain-output -O3 -g -w -lm -o ./user-printf.exe
/usr/bin/ld: Dwarf Error: Can't find .debug_ranges section.
/tmp/ccqaXtoD.o: In function `main':
user-printf.c:(.text.startup+0x20): warning: the use of `tmpnam' is dangerous,
better use `mkstemp'
FAIL: gcc.c-torture/execute/user-printf.c   -O3 -g  (test for excess errors)


make  -k check-gcc RUNTESTFLAGS="execute.exp=gcc.c-torture/execute/printf-2.c"
FAIL: gcc.c-torture/execute/printf-2.c   -O3 -g  (test for excess errors)
# of expected passes            13
# of unexpected failures        1

spawn -ignore SIGHUP /home3/seurer/gcc/git/build/gcc-11-test/gcc/xgcc
-B/home3/seurer/gcc/git/build/gcc-11-test/gcc/
/home/seurer/gcc/git/gcc-11-test/gcc/testsuite/gcc.c-torture/execute/printf-2.c
-fdiagnostics-plain-output -O3 -g -w -lm -o ./printf-2.exe
/usr/bin/ld: Dwarf Error: Can't find .debug_ranges section.
/tmp/ccDgL46Y.o: In function `main':
printf-2.c:(.text.startup+0x20): warning: the use of `tmpnam' is dangerous,
better use `mkstemp'
FAIL: gcc.c-torture/execute/printf-2.c   -O3 -g  (test for excess errors)
Excess errors:
/usr/bin/ld: Dwarf Error: Can't find .debug_ranges section.


make  -k check-gcc RUNTESTFLAGS="execute.exp=gcc.c-torture/execute/fprintf-2.c"
FAIL: gcc.c-torture/execute/fprintf-2.c   -O3 -g  (test for excess errors)
# of expected passes            13
# of unexpected failures        1

spawn -ignore SIGHUP /home3/seurer/gcc/git/build/gcc-11-test/gcc/xgcc
-B/home3/seurer/gcc/git/build/gcc-11-test/gcc/
/home/seurer/gcc/git/gcc-11-test/gcc/testsuite/gcc.c-torture/execute/fprintf-2.c
-fdiagnostics-plain-output -O3 -g -w -lm -o ./fprintf-2.exe
/usr/bin/ld: Dwarf Error: Can't find .debug_ranges section.
/tmp/ccki8IKn.o: In function `main':
fprintf-2.c:(.text.startup+0x20): warning: the use of `tmpnam' is dangerous,
better use `mkstemp'
FAIL: gcc.c-torture/execute/fprintf-2.c   -O3 -g  (test for excess errors)
Excess errors:
/usr/bin/ld: Dwarf Error: Can't find .debug_ranges section.