Add a PR reference.

[platform/upstream/gcc.git] / gcc / ChangeLog

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 92be4a0..feefdbc 100644 (file)
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@@ -1,5 +1,6 @@
 2011-12-19  Richard Sandiford  <rdsandiford@googlemail.com>
 
+       PR rtl-optimization/42839
        * fwprop.c (forward_propagate_subreg): Skip the SIGN/ZERO_EXTEND
        optimization if the source register is already extended.