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cc/gcc: backport upstream fix for GCC 4.7.0 bug 54494

Browse Source 
See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54494, also has a serious
impact on the Linux/MIPS kernel build.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
This commit is contained in:
Florian Fainelli 2012-09-19 10:37:13 +02:00
parent d1c9218c89
commit 1306ab8527
1 changed files with 37 additions and 0 deletions
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37
patches/gcc/4.7.0/001-gcc-bug-54494.patch Normal file
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@ -0,0 +1,37 @@
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191025
Log:
2012-09-06 Andrew Pinski <apinski@cavium.com>
PR tree-opt/54494
* tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
2012-09-06 Andrew Pinski <apinski@cavium.com>
PR tree-opt/54494
* gcc.dg/tree-ssa/strlen-1.c: New testcase.
Added:
branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/tree-ssa/strlen-1.c
- copied unchanged from r191014,
trunk/gcc/testsuite/gcc.dg/tree-ssa/strlen-1.c
Modified:
branches/gcc-4_7-branch/ (props changed)
branches/gcc-4_7-branch/gcc/ChangeLog
branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
branches/gcc-4_7-branch/gcc/tree-inline.c
Propchange: branches/gcc-4_7-branch/
('svn:mergeinfo' modified)
---
--- gcc-4_7-branch/gcc/tree-inline.c 2012/09/06 13:47:33 191024
+++ gcc-4_7-branch/gcc/tree-inline.c 2012/09/06 13:51:37 191025
@@ -871,6 +871,7 @@
ptr, TREE_OPERAND (*tp, 1));
TREE_THIS_NOTRAP (*tp) = TREE_THIS_NOTRAP (old);
TREE_THIS_VOLATILE (*tp) = TREE_THIS_VOLATILE (old);
+ TREE_SIDE_EFFECTS (*tp) = TREE_SIDE_EFFECTS (old);
TREE_NO_WARNING (*tp) = TREE_NO_WARNING (old);
*walk_subtrees = 0;
return NULL;