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-rw-r--r--gcc/testsuite/g++.dg/warn/string1.C18
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/string1.C b/gcc/testsuite/g++.dg/warn/string1.C
new file mode 100644
index 000000000..2670f63d9
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/string1.C
@@ -0,0 +1,18 @@
+// PR c++/35652
+// { dg-options "-O" }
+
+#include <string>
+int test() {
+ // blank line padding, could also be code...
+ //
+ //
+ //
+ //
+ //
+ //
+ //
+ //
+ //
+ std::string s = "";
+ s += 'x' + "y"; // { dg-warning "bounds of constant string" }
+}