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-rw-r--r--gcc/testsuite/gcc.dg/uninit-C.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/uninit-C.c b/gcc/testsuite/gcc.dg/uninit-C.c
new file mode 100644
index 00000000000..e8ca84eefe3
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/uninit-C.c
@@ -0,0 +1,20 @@
+/* Spurious uninitialized variable warning, inspired by libgcc2.c. */
+/* { dg-do compile } */
+/* { dg-options "-O -Wuninitialized" } */
+
+/* Not all platforms support TImode integers. */
+#if defined(__LP64__) || defined(__sparc__)
+typedef int TItype __attribute__ ((mode (TI))); /* { dg-error "no data type for mode" "TI" { target sparc-sun-solaris2.[0-6]* } } */
+#else
+typedef long TItype;
+#endif
+
+TItype
+__subvdi3 (TItype a, TItype b)
+{
+ TItype w;
+
+ w = a - b;
+
+ return w;
+}