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-rw-r--r--gcc/testsuite/gcc.dg/uninit-5-O0.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/uninit-5-O0.c b/gcc/testsuite/gcc.dg/uninit-5-O0.c
new file mode 100644
index 000000000..d9784b3f7
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/uninit-5-O0.c
@@ -0,0 +1,39 @@
+/* Spurious uninitialized-variable warnings. */
+
+/* { dg-do compile } */
+/* { dg-options "-Wuninitialized" } */
+
+extern void use(int);
+extern void foo(void);
+
+void
+func1(int cond)
+{
+ int x; /* { dg-bogus "x" "uninitialized variable warning" } */
+
+ if(cond)
+ x = 1;
+
+ foo();
+
+ if(cond)
+ use(x);
+}
+
+void
+func2 (int cond)
+{
+ int x; /* { dg-bogus "x" "uninitialized variable warning" } */
+ int flag = 0;
+
+ if(cond)
+ {
+ x = 1;
+ flag = 1;
+ }
+
+ foo();
+
+ if(flag)
+ use(x);
+}