Module Name: src
Committed By: pooka
Date: Fri Jun 26 10:25:41 UTC 2015
Modified Files:
src/doc: HACKS
Log Message:
document g++ 5.1 + libpthread volatile workaround (PR lib/49989)
To generate a diff of this commit:
cvs rdiff -u -r1.159 -r1.160 src/doc/HACKS
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/doc/HACKS
diff -u src/doc/HACKS:1.159 src/doc/HACKS:1.160
--- src/doc/HACKS:1.159 Fri May 8 09:44:45 2015
+++ src/doc/HACKS Fri Jun 26 10:25:41 2015
@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.159 2015/05/08 09:44:45 martin Exp $
+# $NetBSD: HACKS,v 1.160 2015/06/26 10:25:41 pooka Exp $
#
# This file is intended to document workarounds for currently unsolved
# (mostly) compiler bugs.
@@ -381,6 +381,28 @@ descr
used in the link(2) system call.
kcah
+hack g++ 5.1 barfs on volatile in initializers
+cdata 26 Jun 2015
+who pooka
+file src/lib/libpthread/pthread_types.h : 1.14
+file src/lib/libpthread/pthread_types.h : 1.15
+pr lib/49989
+descr
+ Trying to use e.g. pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER
+ in C++ results in:
+ error: temporary of non-literal type '__pthread_mutex_st'
+ in a constant expression
+ constexpr mutex() _NOEXCEPT : __m_(PTHREAD_MUTEX_INITIALIZER) {}
+ [...]
+ include/pthread_types.h:101:8: note: '__pthread_mutex_st' is
+ not literal because:
+ struct __pthread_mutex_st {
+ ^
+ include/pthread_types.h:103:17: note: non-static data
+ member '__pthread_mutex_st::ptm_errorcheck' has volatile type
+ pthread_spin_t ptm_errorcheck;
+kcah
+
port vax
hack gcc4/vax ICE
