diff options
| -rw-r--r-- | gcc/gimple-range-cache.cc | 3 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr103229.c | 10 |
2 files changed, 12 insertions, 1 deletions
diff --git a/gcc/gimple-range-cache.cc b/gcc/gimple-range-cache.cc index a63e20e..b347ede 100644 --- a/gcc/gimple-range-cache.cc +++ b/gcc/gimple-range-cache.cc @@ -651,7 +651,8 @@ ssa_global_cache::clear_global_range (tree name) void ssa_global_cache::clear () { - memset (m_tab.address(), 0, m_tab.length () * sizeof (irange *)); + if (m_tab.address ()) + memset (m_tab.address(), 0, m_tab.length () * sizeof (irange *)); } // Dump the contents of the global cache to F. diff --git a/gcc/testsuite/gcc.dg/pr103229.c b/gcc/testsuite/gcc.dg/pr103229.c new file mode 100644 index 0000000..96ef9af --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr103229.c @@ -0,0 +1,10 @@ +// { dg-do compile } +// { dg-options "-O -w" } + +int main() { + int i; + for (; i;) + ; + + return 0; +} |