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| author | Martin Sebor <msebor@redhat.com> | 2021-07-22 11:49:33 -0600 |
|---|---|---|
| committer | Martin Sebor <msebor@redhat.com> | 2021-07-22 11:51:26 -0600 |
| commit | b362d7947b37059fdb6de62145fa5146258dd58f (patch) | |
| tree | 2cd2ded5c1a723557074f2b3bd040e20f83d02e7 /gcc | |
| parent | 50f3ac1beb0cb400484dd2621dd0e3e530583e69 (diff) | |
| download | gcc-b362d7947b37059fdb6de62145fa5146258dd58f.zip gcc-b362d7947b37059fdb6de62145fa5146258dd58f.tar.gz gcc-b362d7947b37059fdb6de62145fa5146258dd58f.tar.bz2 | |
Add new test for PR65178.
gcc/testsuite/ChangeLog:
PR tree-optimization/65178
* gcc.dg/uninit-pr65178.c: New test.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.dg/uninit-pr65178.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/uninit-pr65178.c b/gcc/testsuite/gcc.dg/uninit-pr65178.c new file mode 100644 index 0000000..21eb354 --- /dev/null +++ b/gcc/testsuite/gcc.dg/uninit-pr65178.c @@ -0,0 +1,21 @@ +/* PR tree-optimizatiom/65178 - incorrect -Wmaybe-uninitialized when using + nested loops + { dg-do compile } + { dg-options "-O2 -Wall" } */ + +void *bar (int); + +char *foo (void) +{ + char *c = "bla"; + char *buf; + for (int a = 1;; a = 0) + { + for (char *s = c; *s; ++s) + { + } + if (!a) break; + buf = (char *) bar (1); + } + return buf; // { dg-bogus "\\\[-Wmaybe-uninitialized" } +} |