diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/gimple-range.cc | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr97721.c | 13 |
2 files changed, 15 insertions, 0 deletions
diff --git a/gcc/gimple-range.cc b/gcc/gimple-range.cc index ef65e00..0c8ec40 100644 --- a/gcc/gimple-range.cc +++ b/gcc/gimple-range.cc @@ -165,6 +165,8 @@ get_tree_range (irange &r, tree expr) switch (TREE_CODE (expr)) { case INTEGER_CST: + if (TREE_OVERFLOW_P (expr)) + expr = drop_tree_overflow (expr); r.set (expr, expr); return true; diff --git a/gcc/testsuite/gcc.dg/pr97721.c b/gcc/testsuite/gcc.dg/pr97721.c new file mode 100644 index 0000000..c2a2848 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr97721.c @@ -0,0 +1,13 @@ +// { dg-do compile } +// { dg-options "-O -fno-tree-dominator-opts" } + +int ot; + +void +z6 (char *tw) +{ + while (ot >= 0) + --ot; + + __builtin_strcpy (&tw[ot], tw); +} |