From: Jo-Philipp Wich <jow@openwrt.org>
Date: Tue, 10 Apr 2012 13:18:45 +0000 (+0000)
Subject: [tools] sdcc: compiling SDCCicode.c with -O2 sends gcc 4.6.x into an infinite loop... 
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a43d754f462c6e51bf61d0845f13fab94c5b8f94;p=openwrt%2Fsvn-archive%2Farchive.git

[tools] sdcc: compiling SDCCicode.c with -O2 sends gcc 4.6.x into an infinite loop, workaround it
See references:
  http://sourceforge.net/tracker/?func=detail&aid=3285611&group_id=599&atid=300599
  http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52653


SVN-Revision: 31236
---

diff --git a/tools/sdcc/patches/100-workaround-gcc-4.6.2-hang.patch b/tools/sdcc/patches/100-workaround-gcc-4.6.2-hang.patch
new file mode 100644
index 0000000000..71db14f816
--- /dev/null
+++ b/tools/sdcc/patches/100-workaround-gcc-4.6.2-hang.patch
@@ -0,0 +1,20 @@
+--- a/src/SDCCicode.c
++++ b/src/SDCCicode.c
+@@ -1130,6 +1130,9 @@ iCode *getBuiltinParms (iCode *ic, int *
+     return ic;
+ }
+ 
++#pragma GCC push_options
++#pragma GCC optimize ("O0")
++
+ /*-----------------------------------------------------------------*/
+ /* operandOperation - performs operations on operands             */
+ /*-----------------------------------------------------------------*/
+@@ -1405,6 +1408,7 @@ operandOperation (operand * left, operan
+ 
+   return retval;
+ }
++#pragma GCC pop_options
+ 
+ 
+ /*-----------------------------------------------------------------*/