Only support -gstabs on Mac OS X if assember supports it (PR target/67973)
gcc: PR target/67973 * configure.ac (gcc_cv_as_stabs_directive): New test. * configure: Regenerate. * config.in: Regenerate. * config/darwin.h (DBX_DEBUGGING_INFO): Wrap in HAVE_AS_STABS_DIRECTIVE. (PREFERRED_DEBUGGING_TYPE): Likewise. * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Only include DBX_DEBUG if HAVE_AS_STABS_DIRECTIVE. * doc/sourcebuild.texi (Effective-Target Keywords, Environment attributes): Document stabs. gcc/testsuite: PR target/67973 * lib/target-supports.exp (check_effective_target_stabs): New proc. * g++.dg/cpp0x/alias-decl-debug-0.C: Restrict to stabs targets. * g++.dg/other/PR23205.C: Likewise. * g++.dg/other/pr23205-2.C: Likewise. * gcc.dg/20040813-1.c: Likewise. * gcc.dg/darwin-20040809-2.c: Likewise. * objc.dg/stabs-1.m: Likewise. From-SVN: r231747
This commit is contained in:
Rainer Orth
Rainer Orth
parent
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commit
01704e5ad9
15 changed files with 95 additions and 14 deletions
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@ -1,3 +1,18 @@
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2015-12-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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PR target/67973
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* configure.ac (gcc_cv_as_stabs_directive): New test.
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* configure: Regenerate.
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* config.in: Regenerate.
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* config/darwin.h (DBX_DEBUGGING_INFO): Wrap in
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HAVE_AS_STABS_DIRECTIVE.
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(PREFERRED_DEBUGGING_TYPE): Likewise.
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* config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Only include
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DBX_DEBUG if HAVE_AS_STABS_DIRECTIVE.
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* doc/sourcebuild.texi (Effective-Target Keywords, Environment
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attributes): Document stabs.
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2015-12-16 Martin Sebor <msebor@redhat.com>
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PR c/68868
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@ -636,6 +636,12 @@
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#endif
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/* Define if your assembler supports .stabs. */
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#ifndef USED_FOR_TARGET
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#undef HAVE_AS_STABS_DIRECTIVE
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#endif
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/* Define if your assembler and linker support thread-local storage. */
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#ifndef USED_FOR_TARGET
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#undef HAVE_AS_TLS
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@ -400,12 +400,13 @@ extern GTY(()) int darwin_ms_struct;
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#define ASM_DEBUG_SPEC "%{g*:%{!g0:%{!gdwarf*:--gstabs}}}"
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/* We still allow output of STABS. */
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/* We still allow output of STABS if the assembler supports it. */
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#ifdef HAVE_AS_STABS_DIRECTIVE
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#define DBX_DEBUGGING_INFO 1
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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#endif
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#define DWARF2_DEBUGGING_INFO 1
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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#define DEBUG_FRAME_SECTION "__DWARF,__debug_frame,regular,debug"
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#define DEBUG_INFO_SECTION "__DWARF,__debug_info,regular,debug"
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@ -226,7 +226,11 @@ do { \
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compiles default to stabs+. darwin9+ defaults to dwarf-2. */
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#ifndef DARWIN_PREFER_DWARF
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#undef PREFERRED_DEBUGGING_TYPE
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#ifdef HAVE_AS_STABS_DIRECTIVE
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#define PREFERRED_DEBUGGING_TYPE (TARGET_64BIT ? DWARF2_DEBUG : DBX_DEBUG)
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#else
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#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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#endif
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#endif
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/* Darwin uses the standard DWARF register numbers but the default
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31
gcc/configure
vendored
31
gcc/configure
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@ -23519,6 +23519,37 @@ cat >>confdefs.h <<_ACEOF
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_ACEOF
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for stabs directive" >&5
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$as_echo_n "checking assembler for stabs directive... " >&6; }
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if test "${gcc_cv_as_stabs_directive+set}" = set; then :
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$as_echo_n "(cached) " >&6
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else
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gcc_cv_as_stabs_directive=no
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if test x$gcc_cv_as != x; then
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$as_echo '.stabs "gcc2_compiled.",60,0,0,0' > conftest.s
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if { ac_try='$gcc_cv_as $gcc_cv_as_flags -o conftest.o conftest.s >&5'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }
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then
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gcc_cv_as_stabs_directive=yes
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else
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echo "configure: failed program was" >&5
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cat conftest.s >&5
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fi
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rm -f conftest.o conftest.s
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_stabs_directive" >&5
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$as_echo "$gcc_cv_as_stabs_directive" >&6; }
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if test $gcc_cv_as_stabs_directive = yes; then
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$as_echo "#define HAVE_AS_STABS_DIRECTIVE 1" >>confdefs.h
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for COMDAT group support (GNU as)" >&5
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$as_echo_n "checking assembler for COMDAT group support (GNU as)... " >&6; }
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if test "${gcc_cv_as_comdat_group+set}" = set; then :
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@ -2909,6 +2909,11 @@ AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE,
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[`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`],
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[Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.])
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gcc_GAS_CHECK_FEATURE([stabs directive], gcc_cv_as_stabs_directive, ,,
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[.stabs "gcc2_compiled.",60,0,0,0],,
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[AC_DEFINE(HAVE_AS_STABS_DIRECTIVE, 1,
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[Define if your assembler supports .stabs.])])
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gcc_GAS_CHECK_FEATURE([COMDAT group support (GNU as)],
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gcc_cv_as_comdat_group,
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[elf,2,16,0], [--fatal-warnings],
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@ -1833,6 +1833,9 @@ time) should be run on this target. This can be enabled by setting the
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Test system runs executables on a simulator (i.e. slowly) rather than
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hardware (i.e. fast).
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@item stabs
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Target supports the stabs debugging format.
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@item stdint_types
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Target has the basic signed and unsigned C types in @code{stdint.h}.
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This will be obsolete when GCC ensures a working @code{stdint.h} for
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@ -1,3 +1,15 @@
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2015-12-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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PR target/67973
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* lib/target-supports.exp (check_effective_target_stabs): New
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proc.
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* g++.dg/cpp0x/alias-decl-debug-0.C: Restrict to stabs targets.
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* g++.dg/other/PR23205.C: Likewise.
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* g++.dg/other/pr23205-2.C: Likewise.
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* gcc.dg/20040813-1.c: Likewise.
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* gcc.dg/darwin-20040809-2.c: Likewise.
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* objc.dg/stabs-1.m: Likewise.
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2015-12-17 Andrew Burgess <andrew.burgess@embecosm.com>
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* gcc.target/arc/jump-around-jump.c (rtc_set_time): Declare.
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@ -1,6 +1,5 @@
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// Origin: PR c++/51032
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// { dg-do compile { target c++11 } }
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// { dg-skip-if "No stabs" { aarch64*-*-* mmix-*-* *-*-aix* alpha*-*-* hppa*64*-*-* ia64-*-* *-*-vxworks* nios2-*-* } { "*" } { "" } }
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// { dg-do compile { target { c++11 && stabs } } }
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// { dg-options "-gstabs+" }
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template <class C>
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/* { dg-do compile } */
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/* { dg-skip-if "No stabs" { aarch64*-*-* mmix-*-* *-*-aix* alpha*-*-* hppa*64*-*-* ia64-*-* nios2-*-* tile*-*-* *-*-vxworks } { "*" } { "" } } */
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/* { dg-do compile { target stabs } } */
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/* { dg-options "-gstabs+ -fno-eliminate-unused-debug-types" } */
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const int foobar = 4;
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@ -1,5 +1,4 @@
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/* { dg-do compile } */
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/* { dg-skip-if "No stabs" { aarch64*-*-* mmix-*-* *-*-aix* alpha*-*-* hppa*64*-*-* ia64-*-* tile*-*-* nios2-*-* } { "*" } { "" } } */
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/* { dg-do compile { target stabs } } */
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/* { dg-options "-gstabs+ -fno-eliminate-unused-debug-types -ftoplevel-reorder" } */
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const int foobar = 4;
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@ -1,8 +1,7 @@
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/* Test lang in N_SO stab. */
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/* Contributed by Devang Patel <dpatel@apple.com> */
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/* { dg-do compile } */
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/* { dg-skip-if "No stabs" { aarch64*-*-* mmix-*-* *-*-aix* alpha*-*-* hppa*64*-*-* ia64-*-* tile*-*-* nios2-*-* *-*-vxworks* nvptx-*-* } { "*" } { "" } } */
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/* { dg-do compile { target stabs } } */
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/* { dg-options "-gstabs" } */
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int
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/* Test dead code strip support. */
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/* Contributed by Devang Patel <dpatel@apple.com> */
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/* { dg-do compile { target *-*-darwin* } } */
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/* { dg-do compile { target { *-*-darwin* && stabs } } } */
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/* { dg-options "-gstabs+ -fno-eliminate-unused-debug-symbols" } */
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int
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@ -938,6 +938,15 @@ proc check_effective_target_pthread {} {
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} "-pthread"]
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}
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# Return 1 if compilation with -gstabs is error-free for trivial
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# code, 0 otherwise.
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proc check_effective_target_stabs {} {
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return [check_no_compiler_messages stabs object {
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void foo (void) { }
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} "-gstabs"]
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}
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# Return 1 if compilation with -mpe-aligned-commons is error-free
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# for trivial code, 0 otherwise.
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@ -1,8 +1,7 @@
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/* Check if the final SO STABS record goes into the .text section. */
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/* Contributed by Ziemowit Laski <zlaski@apple.com> */
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/* { dg-do compile } */
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/* { dg-skip-if "No stabs" { mmix-*-* *-*-aix* alpha*-*-* hppa*64*-*-* ia64-*-* } { "*" } { "" } } */
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/* { dg-do compile { target stabs } } */
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/* { dg-options "-gstabs" } */
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@interface MyClass
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