b774b86094
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/gdb#6aff62077bcb16ebf2ba3c498634bce35eda276b
57 lines
1.9 KiB
Diff
57 lines
1.9 KiB
Diff
diff -Nrup a/gnulib/import/m4/alloca.m4 b/gnulib/import/m4/alloca.m4
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--- a/gnulib/import/m4/alloca.m4 2019-11-18 18:49:20.000000000 -0700
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+++ b/gnulib/import/m4/alloca.m4 2020-01-11 01:07:36.200483085 -0700
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@@ -89,7 +89,7 @@ AC_CACHE_CHECK([stack direction for C al
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[ac_cv_c_stack_direction],
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[AC_RUN_IFELSE([AC_LANG_SOURCE(
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[AC_INCLUDES_DEFAULT
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-int
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+__attribute__ (noinline,noclone)) int
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find_stack_direction (int *addr, int depth)
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{
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int dir, dummy = 0;
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diff -Nrup a/libiberty/aclocal.m4 b/libiberty/aclocal.m4
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--- a/libiberty/aclocal.m4 2019-01-19 09:01:34.000000000 -0700
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+++ b/libiberty/aclocal.m4 2020-01-09 22:00:27.183312982 -0700
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@@ -147,7 +147,7 @@ if test $ac_cv_os_cray = yes; then
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fi
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AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
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-[AC_TRY_RUN([find_stack_direction ()
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+[AC_TRY_RUN([__attribute__ ((noclone,noinline)) find_stack_direction ()
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{
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static char *addr = 0;
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auto char dummy;
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diff --git a/config/intdiv0.m4 b/config/intdiv0.m4
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index 55dddcf1..ba906efc 100644
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--- a/config/intdiv0.m4
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+++ b/config/intdiv0.m4
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@@ -31,10 +31,10 @@ sigfpe_handler (sig) int sig;
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exit (sig != SIGFPE);
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}
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-int x = 1;
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-int y = 0;
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-int z;
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-int nan;
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+volatile int x = 1;
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+volatile int y = 0;
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+volatile int z;
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+volatile int nan;
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int main ()
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{
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diff --git a/libiberty/configure.ac b/libiberty/configure.ac
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index f1ce7601..fc20d228 100644
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--- a/libiberty/configure.ac
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+++ b/libiberty/configure.ac
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@@ -661,7 +661,7 @@ if test -z "${setobjs}"; then
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for v in $vars; do
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AC_MSG_CHECKING([for $v])
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AC_CACHE_VAL(libiberty_cv_var_$v,
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- [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int *p;]],[[extern int $v []; p = $v;]])],
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+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[__attribute__ ((used)) int *p;]],[[extern int $v []; p = $v;]])],
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[eval "libiberty_cv_var_$v=yes"],
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[eval "libiberty_cv_var_$v=no"])])
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if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
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