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-rw-r--r--gcc/testsuite/gcc.dg/uninit-15.c17
-rw-r--r--gcc/testsuite/gcc.dg/uninit-16.c22
2 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/uninit-15.c b/gcc/testsuite/gcc.dg/uninit-15.c
new file mode 100644
index 00000000000..dee7a3b211c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/uninit-15.c
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-options "-O -Wuninitialized" } */
+
+inline int foo (int i)
+{
+ if (i) return 1; /* { dg-warning "is used uninitialized" } */
+ return 0;
+}
+
+void baz();
+
+void bar()
+{
+ int j; /* { dg-message "was declared here" } */
+ for (; foo(j); ++j)
+ baz();
+}
diff --git a/gcc/testsuite/gcc.dg/uninit-16.c b/gcc/testsuite/gcc.dg/uninit-16.c
new file mode 100644
index 00000000000..aefb5e5f7d2
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/uninit-16.c
@@ -0,0 +1,22 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -Wuninitialized" } */
+
+int foo, bar;
+
+void decode_reloc(int reloc, int *is_alt)
+{
+ if (reloc >= 20)
+ *is_alt = 1;
+ else if (reloc >= 10)
+ *is_alt = 0;
+}
+
+void testfunc()
+{
+ int alt_reloc;
+
+ decode_reloc(foo, &alt_reloc);
+
+ if (alt_reloc) /* { dg-warning "may be used uninitialized" } */
+ bar = 42;
+}