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| author | Peter Bergner <bergner@vnet.ibm.com> | 2017-05-24 07:10:54 -0500 |
|---|---|---|
| committer | Peter Bergner <bergner@gcc.gnu.org> | 2017-05-24 07:10:54 -0500 |
| commit | 3f3fb6c91306b8f703842c785535aa074be1acee (patch) | |
| tree | ac5cb0688a0ae2b80404859c4c50086c04b537ac /gcc | |
| parent | 00e0af8d15c7a2cdbb6ed8c171f4558a7aeb8599 (diff) | |
| download | gcc-3f3fb6c91306b8f703842c785535aa074be1acee.zip gcc-3f3fb6c91306b8f703842c785535aa074be1acee.tar.gz gcc-3f3fb6c91306b8f703842c785535aa074be1acee.tar.bz2 | |
re PR middle-end/80823 (ICE: verify_flow_info failed)
gcc/
PR middle-end/80823
* tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
gcc/testsuite/
PR middle-end/80823
* gcc.dg/pr80823.c: New test.
From-SVN: r248408
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr80823.c | 23 | ||||
| -rw-r--r-- | gcc/tree-cfg.c | 1 |
4 files changed, 33 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0d212ab..a08d45c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2017-05-24 Peter Bergner <bergner@vnet.ibm.com> + + PR middle-end/80823 + * tree-cfg.c (group_case_labels_stmt): Delete increment of "i"; + 2017-05-24 Andreas Krebbel <krebbel@linux.vnet.ibm.com> PR target/80725 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 7875631..f2929ad 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-05-24 Peter Bergner <bergner@vnet.ibm.com> + + PR middle-end/80823 + * gcc.dg/pr80823.c: New test. + 2017-05-24 Andreas Krebbel <krebbel@linux.vnet.ibm.com> * gcc.target/s390/pr80725.c: New test. diff --git a/gcc/testsuite/gcc.dg/pr80823.c b/gcc/testsuite/gcc.dg/pr80823.c new file mode 100644 index 0000000..0a48764 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr80823.c @@ -0,0 +1,23 @@ +/* PR middle-end/80823 ICE: verify_flow_info failed */ +/* { dg-do compile } */ +/* { dg-options "-O3" } */ + +int a, c; +int b[1]; +static inline int +fn1() { + switch (a) + case 0: + case 2: + return 1; + return 0; +} +void fn2() { + int i; + for (;; ++i) { + c = b[i]; + int d = !fn1(); + if (d) + __asm__(""); + } +} diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index ba19661..63532a8 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -1726,7 +1726,6 @@ group_case_labels_stmt (gswitch *stmt) remove_edge_and_dominated_blocks (base_edge); gimple_switch_set_label (stmt, base_index, NULL_TREE); new_size--; - i++; } } |