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| author | Peter Bergner <bergner@vnet.ibm.com> | 2017-06-29 07:58:32 -0500 |
|---|---|---|
| committer | Peter Bergner <bergner@gcc.gnu.org> | 2017-06-29 07:58:32 -0500 |
| commit | f66459c1605ab66390ad5b5c54e425f96607d9eb (patch) | |
| tree | fc3f329844a8125ad6b273d8b28aeb02e1aa8f15 /gcc/cfgexpand.c | |
| parent | 3c7bb4891238d341dcd1404cf45b041fc1af0720 (diff) | |
| download | gcc-f66459c1605ab66390ad5b5c54e425f96607d9eb.tar.gz | |
re PR middle-end/81194 (ICE during RTL pass: expand)
gcc/
PR middle-end/81194
* cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
with only one label.
* stmt.c (expand_case): Assert NCASES is greater than one.
gcc/testsuite/
PR middle-end/81194
* g++.dg/pr81194.C: New test.
From-SVN: r249783
Diffstat (limited to 'gcc/cfgexpand.c')
| -rw-r--r-- | gcc/cfgexpand.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index c1f80727d30..d61c261a172 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -3566,7 +3566,13 @@ expand_gimple_stmt_1 (gimple *stmt) case GIMPLE_PREDICT: break; case GIMPLE_SWITCH: - expand_case (as_a <gswitch *> (stmt)); + { + gswitch *swtch = as_a <gswitch *> (stmt); + if (gimple_switch_num_labels (swtch) == 1) + expand_goto (CASE_LABEL (gimple_switch_default_label (swtch))); + else + expand_case (swtch); + } break; case GIMPLE_ASM: expand_asm_stmt (as_a <gasm *> (stmt)); |