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| author | Jakub Jelinek <jakub@redhat.com> | 2019-11-23 11:05:31 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2019-11-23 11:05:31 +0100 |
| commit | ba585b91532b5cb382f1e2d21be50e728bca1da0 (patch) | |
| tree | 6f7a47c199276ff4edb1b2d1d49f104db70e995a | |
| parent | 41149acaff5ccb046ebf8ac7ae6eadb147f6f6b8 (diff) | |
| download | gcc-ba585b91532b5cb382f1e2d21be50e728bca1da0.zip gcc-ba585b91532b5cb382f1e2d21be50e728bca1da0.tar.gz gcc-ba585b91532b5cb382f1e2d21be50e728bca1da0.tar.bz2 | |
re PR rtl-optimization/92610 (ICE in calc_dfs_tree, at dominance.c:458 since r270940)
PR rtl-optimization/92610
* cse.c (rest_of_handle_cse2): Call cleanup_cfg (0) also if
cse_cfg_altered is set, even when tem is 0.
(rest_of_handle_cse_after_global_opts): Likewise.
* g++.dg/opt/pr92610.C: New test.
From-SVN: r278640
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/cse.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/opt/pr92610.C | 13 |
4 files changed, 27 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6ed7aba..596db03 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2019-11-23 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/92610 + * cse.c (rest_of_handle_cse2): Call cleanup_cfg (0) also if + cse_cfg_altered is set, even when tem is 0. + (rest_of_handle_cse_after_global_opts): Likewise. + 2019-11-22 Jakub Jelinek <jakub@redhat.com> PR c++/92458 @@ -7701,7 +7701,7 @@ rest_of_handle_cse2 (void) cse_cfg_altered |= cleanup_cfg (CLEANUP_CFG_CHANGED); timevar_pop (TV_JUMP); } - else if (tem == 1) + else if (tem == 1 || cse_cfg_altered) cse_cfg_altered |= cleanup_cfg (0); cse_not_expected = 1; @@ -7775,7 +7775,7 @@ rest_of_handle_cse_after_global_opts (void) cse_cfg_altered |= cleanup_cfg (CLEANUP_CFG_CHANGED); timevar_pop (TV_JUMP); } - else if (tem == 1) + else if (tem == 1 || cse_cfg_altered) cse_cfg_altered |= cleanup_cfg (0); flag_cse_follow_jumps = save_cfj; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c34573b..1c8f1a0 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-11-23 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/92610 + * g++.dg/opt/pr92610.C: New test. + 2019-11-23 Bernd Edlinger <bernd.edlinger@hotmail.de> PR c++/92365 diff --git a/gcc/testsuite/g++.dg/opt/pr92610.C b/gcc/testsuite/g++.dg/opt/pr92610.C new file mode 100644 index 0000000..bead760 --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/pr92610.C @@ -0,0 +1,13 @@ +// PR rtl-optimization/92610 +// { dg-do compile } +// { dg-options "-w -fdelete-dead-exceptions --param=sccvn-max-alias-queries-per-access=0 -fno-dse -fnon-call-exceptions -Os -funroll-loops -ftrapv" } + +struct C { int x; ~C () {} }; + +int +main () +{ + C *buffer = new C[42]; + buffer[-3].x = 42; + delete [] buffer; +} |