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-rw-r--r--gcc/testsuite/gcc.dg/uninit-pr19430.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/uninit-pr19430.c b/gcc/testsuite/gcc.dg/uninit-pr19430.c
new file mode 100644
index 000000000..4d2b4f62c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/uninit-pr19430.c
@@ -0,0 +1,43 @@
+/* { dg-do compile } */
+/* { dg-options "-O -Wuninitialized" } */
+extern int bar (int);
+extern void baz (int *);
+int
+foo (int i)
+{
+ int j; /* { dg-warning "'j' may be used uninitialized in this function" "uninitialized" { xfail *-*-* } 8 } */
+
+ if (bar (i)) {
+ baz (&j);
+ } else {
+ }
+
+ return j;
+}
+
+
+
+int foo2( void ) {
+ int rc;
+ return rc; /* { dg-warning "'rc' is used uninitialized in this function" } */
+ *&rc = 0;
+}
+
+extern int printf(const char *, ...);
+void frob(int *pi);
+
+int main(void)
+{
+ int i;
+ printf("i = %d\n", i); /* { dg-warning "'i' is used uninitialized in this function" "" { xfail *-*-* } } */
+ frob(&i);
+
+ return 0;
+}
+
+void foo3(int*);
+void bar3(void) {
+ int x;
+ if(x) /* { dg-warning "'x' is used uninitialized in this function" "uninitialized" { xfail *-*-* } } */
+ foo3(&x);
+}