1 files changed, 25 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/debug/dwarf2/inline3.c b/gcc-4.9/gcc/testsuite/gcc.dg/debug/dwarf2/inline3.c
new file mode 100644
index 000000000..baa2f66e8
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/debug/dwarf2/inline3.c
@@ -0,0 +1,25 @@
+/* Verify that only one DW_AT_const_value is emitted for baz,
+   not for baz abstract DIE and again inside of
+   DW_TAG_inlined_subroutine.  */
+/* { dg-options "-O2 -gdwarf -dA -fmerge-all-constants" } */
+/* { dg-do compile } */
+/* { dg-final { scan-assembler-times " DW_AT_const_value" 1 } } */
+
+struct A { const long i; const long j; };
+
+static inline long
+foo (void)
+{
+  const struct A baz = { .i = 2, .j = 21 };
+  /* We must make sure that baz isn't optimized away before inlining,
+     otherwise its initializer is also lost.  */
+  const struct A *p = &baz;
+  asm volatile ("" : : : "memory");
+  return baz.i * baz.j;
+}
+
+int
+main ()
+{
+  return foo () - 42;
+}