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(parent: 81d5198) | patch
Handle a null lhs in expand_direct_optab_fn (PR85862)
authorRichard Sandiford <richard.sandiford@linaro.org>
Tue, 22 May 2018 12:25:44 +0000 (12:25 +0000)
committerRichard Sandiford <rsandifo@gcc.gnu.org>
Tue, 22 May 2018 12:25:44 +0000 (12:25 +0000)
commit440ed9f839a068948c72441eda2ef3da515f4656
tree54e8716f0c7fc3013557e980c5c8beb7ed532381tree | snapshot
parent81d5198d0093ab144c8a13b85c56ef496192f930commit | diff
Handle a null lhs in expand_direct_optab_fn (PR85862)

This PR showed that the normal function for expanding directly-mapped
internal functions didn't handle the case in which the call was only
being kept for its side-effects.

2018-05-22  Richard Sandiford  <richard.sandiford@linaro.org>

gcc/
PR middle-end/85862
* internal-fn.c (expand_direct_optab_fn): Cope with a null lhs.

gcc/testsuite/
PR middle-end/85862
* gcc.dg/torture/pr85862.c: New test.

From-SVN: r260504
gcc/ChangeLog diff | blob | history
gcc/internal-fn.c diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/torture/pr85862.c [new file with mode: 0644] blob
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