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commit a4754272958a8368701bb2a8d6b0c224fe3b4e73
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Mar 3 14:51:40 2016 -0800
Or bit_Prefer_MAP_32BIT_EXEC in EXTRA_LD_ENVVARS
We should turn on bit_Prefer_MAP_32BIT_EXEC in EXTRA_LD_ENVVARS without
overriding other bits.
[BZ #19758]
* sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h
(EXTRA_LD_ENVVARS): Or bit_Prefer_MAP_32BIT_EXEC.
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h b/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h
index c9db5ea..a759934 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h
+++ b/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h
@@ -33,7 +33,7 @@
case 21: \
if (memcmp (envline, "PREFER_MAP_32BIT_EXEC", 21) == 0) \
GLRO(dl_x86_cpu_features).feature[index_Prefer_MAP_32BIT_EXEC] \
- = bit_Prefer_MAP_32BIT_EXEC; \
+ |= bit_Prefer_MAP_32BIT_EXEC; \
break;
/* Extra unsecure variables. The names are all stuffed in a single