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Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr30978.c')
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/pr30978.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr30978.c b/gcc/testsuite/gcc.dg/tree-ssa/pr30978.c
new file mode 100644
index 000000000..3329383cb
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr30978.c
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-optimized" } */
+
+int foo(int a)
+{
+ unsigned int b = a > 0;
+ char c = b;
+ _Bool d = c == 0;
+ int e = !d;
+ return e;
+}
+
+/* { dg-final { scan-tree-dump "e_. = a_..D. > 0;" "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */