[r11-6759 Regression] FAIL: gcc.dg/debug/dwarf2/pr41445-7.c scan-assembler DW_TAG_variable[^\\r\\n]*[\\r\\n]+[^\\r\\n]*"varj[^\\r\\n]*DW_AT_name([^\\r\\n]*[\\r\\n]+[^\\r\\n]*DW_AT_)*[^\\r\\n]*[\\r\\n]+[^\\r\\n]*[^\\r\\n]*DW_AT_decl_line \\((0xa|10)\\) on Linux/x86_64

[sunil.k.pandey]

On Linux/x86_64,

b654d23a470af25442e496ba62b5558e7c3ff1e6 is the first bad commit
commit b654d23a470af25442e496ba62b5558e7c3ff1e6
Author: David Edelsohn <dje.gcc@gmail.com>
Date:   Sun Jan 17 18:18:56 2021 -0500

    testsuite: Skip DWARF 5 testcases on AIX.

caused

FAIL: gcc.dg/debug/dwarf2/pr41445-7.c scan-assembler DW_TAG_variable[^\\r\\n]*[\\r\\n]+[^\\r\\n]*"vari[^\\r\\n]*DW_AT_name([^\\r\\n]*[\\r\\n]+[^\\r\\n]*DW_AT_)*[^\\r\\n]*[\\r\\n]+[^\\r\\n]*[^\\r\\n]*DW_AT_decl_line \\((0xa|10)\\)
FAIL: gcc.dg/debug/dwarf2/pr41445-7.c scan-assembler DW_TAG_variable[^\\r\\n]*[\\r\\n]+[^\\r\\n]*"varj[^\\r\\n]*DW_AT_name([^\\r\\n]*[\\r\\n]+[^\\r\\n]*DW_AT_)*[^\\r\\n]*[\\r\\n]+[^\\r\\n]*[^\\r\\n]*DW_AT_decl_line \\((0xa|10)\\)

with GCC configured with

../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-6759/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap

To reproduce:

$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dwarf2.exp=gcc.dg/debug/dwarf2/pr41445-7.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dwarf2.exp=gcc.dg/debug/dwarf2/pr41445-7.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dwarf2.exp=gcc.dg/debug/dwarf2/pr41445-7.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dwarf2.exp=gcc.dg/debug/dwarf2/pr41445-7.c --target_board='unix{-m64\ -march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)