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| author | Jakub Jelinek <jakub@redhat.com> | 2018-03-08 08:29:42 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-03-08 08:29:42 +0100 |
| commit | ce8b1a1f132aff97d670bd326dd89ae318cd3c68 (patch) | |
| tree | 61dc23f5b9e429cfa27f5a1b470df71301004c45 /gcc/tree-switch-conversion.c | |
| parent | 686faaece353242d733dec4eb47647ef0ae1335f (diff) | |
re PR tree-optimization/84740 (ICE in build_constructors, at tree-switch-conversion.c:965)
PR tree-optimization/84740
* tree-switch-conversion.c (process_switch): Call build_constructors
only if info.phi_count is non-zero.
* gcc.dg/torture/pr84740.c: New test.
From-SVN: r258354
Diffstat (limited to 'gcc/tree-switch-conversion.c')
| -rw-r--r-- | gcc/tree-switch-conversion.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-switch-conversion.c b/gcc/tree-switch-conversion.c index c2538908340..2da7068345c 100644 --- a/gcc/tree-switch-conversion.c +++ b/gcc/tree-switch-conversion.c @@ -1563,7 +1563,8 @@ process_switch (gswitch *swtch) gather_default_values (info.default_case_nonstandard ? gimple_switch_label (swtch, 1) : gimple_switch_default_label (swtch), &info); - build_constructors (swtch, &info); + if (info.phi_count) + build_constructors (swtch, &info); build_arrays (swtch, &info); /* Build the static arrays and assignments. */ gen_inbound_check (swtch, &info); /* Build the bounds check. */ |