Hi Jakub,

> On Mon, Jan 29, 2018 at 02:30:04PM +0100, Rainer Orth wrote:
>> --- a/gcc/testsuite/gcc.dg/debug/dwarf2/prod-options.c
>> +++ b/gcc/testsuite/gcc.dg/debug/dwarf2/prod-options.c
>> @@ -4,8 +4,7 @@
>>     as well.  */
>>  /* { dg-do compile } */
>>  /* { dg-options "-O2 -gdwarf -dA -fdebug-prefix-map=a=b" } */
>> -/* { dg-final { scan-assembler "DW_AT_producer: \"GNU C" { target { { { ! 
>> *-*-solaris2* } || gas } && { { ! hppa*64*-*-* } && { ! powerpc-ibm-aix* } } 
>> } } } } */
>> -/* { dg-final { scan-assembler "\"GNU C\[^\\n\\r\]+ DW_AT_producer" { 
>> target { { *-*-solaris2* && { ! gas } } || { hppa*64*-*-* } } } } } */
>> +/* { dg-final { scan-assembler "DW_AT_producer: \"GNU C|\"GNU C\[^\\n\\r\]+ 
>> DW_AT_producer" } } */
>>  /* { dg-final { scan-assembler-not "debug-prefix-map" } } */
>
> In this case, even better would be to add
> -fno-merge-debug-strings
> to dg-options and scan for just one pattern.

that's even simpler, thanks for the hint.

Revised patch tested as before.

        Rainer

-- 
-----------------------------------------------------------------------------
Rainer Orth, Center for Biotechnology, Bielefeld University


2018-01-28  Rainer Orth  <r...@cebitec.uni-bielefeld.de>

        gcc/testsuite:
        PR bootstrap/84017
        * gcc.dg/debug/dwarf2/prod-options.c: Add -fno-merge-debug-strings
        to dg-options.
        Simplify DW_AT_producer scan.

        gcc:
        PR bootstrap/84017
        * configure.ac (gcc_cv_as_shf_merge): Disable on Solaris 10/x86.
        * configure: Regenerate.

# HG changeset patch
# Parent  2b36ffcd7331629b3a37b6c434ad862c197fdde9
Disable SHF_MERGE on Solaris 10/x86 (PR bootstrap/84017)

diff --git a/gcc/configure.ac b/gcc/configure.ac
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -2954,6 +2954,14 @@ if test $gcc_cv_as_shf_merge = no; then
     [elf,2,12,0], [--fatal-warnings],
     [.section .rodata.str, "aMS", %progbits, 1])
 fi
+case "$target" in
+  i?86-*-solaris2.10* | x86_64-*-solaris2.10*)
+    # SHF_MERGE support in Solaris 10/x86 ld is broken.
+    if test x"$gnu_ld" = xno; then
+      gcc_cv_as_shf_merge=no
+    fi
+    ;;
+esac
 AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE,
   [`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`],
 [Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.])
diff --git a/gcc/testsuite/gcc.dg/debug/dwarf2/prod-options.c b/gcc/testsuite/gcc.dg/debug/dwarf2/prod-options.c
--- a/gcc/testsuite/gcc.dg/debug/dwarf2/prod-options.c
+++ b/gcc/testsuite/gcc.dg/debug/dwarf2/prod-options.c
@@ -3,9 +3,8 @@
    the build not reproducible.  Other skipped options could be tested here
    as well.  */
 /* { dg-do compile } */
-/* { dg-options "-O2 -gdwarf -dA -fdebug-prefix-map=a=b" } */
-/* { dg-final { scan-assembler "DW_AT_producer: \"GNU C" { target { { { ! *-*-solaris2* } || gas } && { { ! hppa*64*-*-* } && { ! powerpc-ibm-aix* } } } } } } */
-/* { dg-final { scan-assembler "\"GNU C\[^\\n\\r\]+ DW_AT_producer" { target { { *-*-solaris2* && { ! gas } } || { hppa*64*-*-* } } } } } */
+/* { dg-options "-O2 -gdwarf -dA -fno-merge-debug-strings -fdebug-prefix-map=a=b" } */
+/* { dg-final { scan-assembler "\"GNU C\[^\\n\\r\]+ DW_AT_producer" } } */
 /* { dg-final { scan-assembler-not "debug-prefix-map" } } */
 
 void func (void)

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