diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr109071_2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr109071_2.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr109071_2.c b/gcc/testsuite/gcc.dg/pr109071_2.c new file mode 100644 index 0000000..549a8c4 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr109071_2.c @@ -0,0 +1,50 @@ +/* PR tree-optimization/109071 need more context for -Warray-bounds warnings + due to code duplication from jump threading. + test case is from PR85788, which is a duplication of PR109071. */ +/* { dg-options "-O2 -Warray-bounds -fdiagnostics-show-context=1" } */ +/* { dg-additional-options "-fdiagnostics-show-line-numbers -fdiagnostics-path-format=inline-events -fdiagnostics-show-caret" } */ +/* { dg-enable-nn-line-numbers "" } */ +int b=10; +int *d = &b, *e; +void a(void *k, long l) { + long f = __builtin_object_size(k, 0); + __builtin___memset_chk(k, b, l, f); /* { dg-warning "is out of the bounds" } */ +} +typedef struct { + int g; + int h; + char i[8000 * 8]; +} j; +static void make_str_raster(j *k) { + int *c = d; + for (; c; c = e) + k->g = k->h = 32767; + + a(k->i, k->g / 8 * k->h); + for (; d;) + ; +} +j m; +void n() { make_str_raster(&m); } +/* { dg-begin-multiline-output "" } + NN | __builtin___memset_chk(k, b, l, f); + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + 'n': events 1-2 + NN | __builtin___memset_chk(k, b, l, f); + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + | | + | (2) warning happens here +...... + { dg-end-multiline-output "" } */ + +/* { dg-begin-multiline-output "" } + NN | for (; c; c = e) + | ^ + | | + | (1) when the condition is evaluated to false + { dg-end-multiline-output "" } */ + +/* { dg-begin-multiline-output "" } + NN | j m; + | ^ + { dg-end-multiline-output "" } */ |