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re PR rtl-optimization/69535 (wrong code with -O -fno-tree-bit-ccp -fno-tree-reassoc...
authorRichard Henderson <rth@redhat.com>
Mon, 1 Feb 2016 07:32:01 +0000 (23:32 -0800)
committerRichard Henderson <rth@gcc.gnu.org>
Mon, 1 Feb 2016 07:32:01 +0000 (23:32 -0800)
commite6c0c44b5b43c4fef77f3a566d035db5c589ff99
tree1a823e636b4518bcd0082dd43b0cca0e2f504118tree | snapshot
parent2c0055380610a6430b885a2312175b71a47527a3commit | diff
re PR rtl-optimization/69535 (wrong code with -O -fno-tree-bit-ccp -fno-tree-reassoc due to use of uninitialised value)

PR rtl-opt/69535

  * combine.c (make_compound_operation): When looking through a
  subreg, make sure to re-extend to the width of the outer mode.

From-SVN: r233032
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gcc/testsuite/gcc.dg/pr69535.c [new file with mode: 0644] blob
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