[PATCH] c: Added testcase for already fixed PR [PR93432]

Krishna Narayanan krishnanarayanan132002@gmail.com
Wed Feb 23 17:46:53 GMT 2022


Hello,

The following patch is a testcase for PR93432,which deals with the
warning for uninitialized variables.The testcase is for the bug
already fixed.

Regtested on x86_64, OK for commit ? Please do review it.

2022-02-23 Krishna Narayanan <krishnanarayanan132002@gmail.com>

PR c/93432
gcc/testsuite/Changelog:
*gcc.dg/pr93432.c: New test

---
 gcc/testsuite/pr93432.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 gcc/testsuite/pr93432.c

diff --git a/gcc/testsuite/pr93432.c b/gcc/testsuite/pr93432.c
new file mode 100644
index 000000000..cd7199a56
--- /dev/null
+++ b/gcc/testsuite/pr93432.c
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -Wuninitialized -Wmaybe-uninitialized" } */
+ int test(int y) {
+    int z; /* { dg-message "note: 'z' was declared here"  } */
+    int x;
+    int a; /* { dg-warning "'a' may be used uninitialized" } */
+    for (x = 0; x < 10; x = x + 1, y = y + 1,a = a + 1)
+    {
+        if (y < 10) {
+            z = z + 1 + a; /* { dg-warning "'z' may be used uninitialized" } */
+        }
+    }
+    return z;
+}
-- 
2.25.1


More information about the Gcc-patches mailing list