re PR libbacktrace/91908 (New libbacktrace tests fail to build)

	PR libbacktrace/91908
	* pecoff.c (backtrace_initialize): Explicitly cast unchecked
	__sync_bool_compare_and_swap to void.
	* xcoff.c (backtrace_initialize): Likewise.

From-SVN: r276168

diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog
index 60ae5d2788d27e3b86e158d10f37776fd017195f..c88b1238bb6614d4d65c773c403e66c95982f9e3 100644 (file)
--- a/libbacktrace/ChangeLog
+++ b/libbacktrace/ChangeLog
@@ -1,3 +1,10 @@
+2019-09-26  Ian Lance Taylor  <iant@golang.org>
+
+       PR libbacktrace/91908
+       * pecoff.c (backtrace_initialize): Explicitly cast unchecked
+       __sync_bool_compare_and_swap to void.
+       * xcoff.c (backtrace_initialize): Likewise.
+
 2019-09-03  Ulrich Weigand  <uweigand@de.ibm.com>
 
        * configure.ac: Remove references to spu.

diff --git a/libbacktrace/pecoff.c b/libbacktrace/pecoff.c
index da1982fd3ca7c1624d93d80ffd919822b2de4223..fcf9508d488ce59a44ae7e3e700265fa90cd6d1f 100644 (file)
--- a/libbacktrace/pecoff.c
+++ b/libbacktrace/pecoff.c
@@ -922,7 +922,8 @@ backtrace_initialize (struct backtrace_state *state,
       if (found_sym)
        backtrace_atomic_store_pointer (&state->syminfo_fn, coff_syminfo);
       else
-       __sync_bool_compare_and_swap (&state->syminfo_fn, NULL, coff_nosyms);
+       (void) __sync_bool_compare_and_swap (&state->syminfo_fn, NULL,
+                                            coff_nosyms);
     }
 
   if (!state->threaded)

diff --git a/libbacktrace/xcoff.c b/libbacktrace/xcoff.c
index d50b5bc517e6ec836e2f8d84de5ff5161d1d5d5d..bc60962fe041086fcab150164ce85ee2f4daf106 100644 (file)
--- a/libbacktrace/xcoff.c
+++ b/libbacktrace/xcoff.c
@@ -1592,7 +1592,8 @@ backtrace_initialize (struct backtrace_state *state,
       if (found_sym)
        backtrace_atomic_store_pointer (&state->syminfo_fn, xcoff_syminfo);
       else
-       __sync_bool_compare_and_swap (&state->syminfo_fn, NULL, xcoff_nosyms);
+       (void) __sync_bool_compare_and_swap (&state->syminfo_fn, NULL,
+                                            xcoff_nosyms);
     }
 
   if (!state->threaded)