[131413] trunk/dports/devel/libunwind/files/no-builtin_unreachable.patch
jeremyhu at macports.org
jeremyhu at macports.org
Sun Jan 11 13:19:16 PST 2015
Revision: 131413
https://trac.macports.org/changeset/131413
Author: jeremyhu at macports.org
Date: 2015-01-11 13:19:16 -0800 (Sun, 11 Jan 2015)
Log Message:
-----------
libunwind: Actually add the patch
Added Paths:
-----------
trunk/dports/devel/libunwind/files/no-builtin_unreachable.patch
Added: trunk/dports/devel/libunwind/files/no-builtin_unreachable.patch
===================================================================
--- trunk/dports/devel/libunwind/files/no-builtin_unreachable.patch (rev 0)
+++ trunk/dports/devel/libunwind/files/no-builtin_unreachable.patch 2015-01-11 21:19:16 UTC (rev 131413)
@@ -0,0 +1,15 @@
+http://www.llvm.org/bugs/show_bug.cgi?id=22198
+
+--- src/Unwind/DwarfInstructions.hpp.orig 2015-01-11 13:10:47.000000000 -0800
++++ src/Unwind/DwarfInstructions.hpp 2015-01-11 13:13:44.000000000 -0800
+@@ -72,7 +72,9 @@ private:
+ return evaluateExpression((pint_t)prolog.cfaExpression, addressSpace,
+ registers, 0);
+ assert(0 && "getCFA(): unknown location");
+- __builtin_unreachable();
++ // __builtin_unreachable() is more appropriate but is only available on gcc-4.5 and newer.
++ // __builtin_trap() is better than an ifdef mess for something that will never run anyways.
++ __builtin_trap();
+ }
+ };
+
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