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-rw-r--r--clang/test/CodeGen/ubsan-trap-reason-load-invalid-value.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/clang/test/CodeGen/ubsan-trap-reason-load-invalid-value.c b/clang/test/CodeGen/ubsan-trap-reason-load-invalid-value.c
new file mode 100644
index 0000000..4aad832
--- /dev/null
+++ b/clang/test/CodeGen/ubsan-trap-reason-load-invalid-value.c
@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 -triple arm64-apple-macosx14.0.0 -O0 -debug-info-kind=standalone -dwarf-version=5 \
+// RUN: -fsanitize=bool -fsanitize-trap=bool -emit-llvm %s -o - | FileCheck %s
+
+#include <stdbool.h>
+
+unsigned char bad_byte;
+
+bool load_invalid_value(void) { return *((bool *)&bad_byte); }
+
+// CHECK-LABEL: @load_invalid_value
+// CHECK: call void @llvm.ubsantrap(i8 10) {{.*}}!dbg [[LOC:![0-9]+]]
+// CHECK: [[LOC]] = !DILocation(line: 0, scope: [[MSG:![0-9]+]], {{.+}})
+// CHECK: [[MSG]] = distinct !DISubprogram(name: "__clang_trap_msg$Undefined Behavior Sanitizer$Loaded an invalid or uninitialized value for the type"