diff options
| author | Richard Biener <rguenther@suse.de> | 2022-08-31 11:05:33 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2022-08-31 11:07:28 +0200 |
| commit | beec815f26bcb7041a824e0f7180855d364e2271 (patch) | |
| tree | 9fe266c5eec4754c5b7ff8ae7bfb6f1f492b760f /gcc | |
| parent | b3048b6ffb126a4624f66bad713fe6d1dc6dc13d (diff) | |
| download | gcc-beec815f26bcb7041a824e0f7180855d364e2271.zip gcc-beec815f26bcb7041a824e0f7180855d364e2271.tar.gz gcc-beec815f26bcb7041a824e0f7180855d364e2271.tar.bz2 | |
uninit testcase for PR65244
The PR65244 has an issue with code in init_from_control_deps
for which there's no direct testcase. The following adds one.
PR tree-optimization/65244
* gcc.dg/uninit-pr65244-1.c: New testcase.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.dg/uninit-pr65244-1.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/uninit-pr65244-1.c b/gcc/testsuite/gcc.dg/uninit-pr65244-1.c new file mode 100644 index 0000000..7c1d910 --- /dev/null +++ b/gcc/testsuite/gcc.dg/uninit-pr65244-1.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-O -Wuninitialized" } */ + +extern void __attribute__((noreturn)) abort (void); + +int foo (int flag, int val) +{ + int tem; + if (flag) + { + if (val == 0) + abort (); + tem = val; + } + /* large - prevent jump threading */ + __asm__ volatile ("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"); + if (flag) + return tem; /* { dg-bogus "uninitialized" } */ + return 0; +} |