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* [gcc r12-2092] Add test for [PR55881].
@ 2021-07-06 21:59 Martin Sebor
0 siblings, 0 replies; only message in thread
From: Martin Sebor @ 2021-07-06 21:59 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:e8db5f70f27b6de8139339ef1866eaa153c2bf67
commit r12-2092-ge8db5f70f27b6de8139339ef1866eaa153c2bf67
Author: Martin Sebor <msebor@redhat.com>
Date: Tue Jul 6 15:58:02 2021 -0600
Add test for [PR55881].
PR c++/55881
gcc/testsuite/ChangeLog:
* g++.dg/warn/uninit-pr55881.C: New test.
Diff:
---
gcc/testsuite/g++.dg/warn/uninit-pr55881.C | 34 ++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/gcc/testsuite/g++.dg/warn/uninit-pr55881.C b/gcc/testsuite/g++.dg/warn/uninit-pr55881.C
new file mode 100644
index 00000000000..b01f4e78105
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/uninit-pr55881.C
@@ -0,0 +1,34 @@
+/* PR middle-end/55881 - #pragma GCC diagnostic ignored ignored when inlining
+ { dg-do compile }
+ { dg-options "-O2 -Wall" } */
+
+struct I
+{
+ int i;
+ int foo (struct I *n)
+ {
+ return n->i + 10; // { dg-bogus "-Wmaybe-uninitialized" }
+ }
+
+ I () : i (5) {}
+};
+
+int main (int argc, char **)
+{
+ struct I i, *n;
+
+ if (argc > 10)
+ {
+ n = new I;
+ i.i = i.foo (n);
+ }
+
+ if (argc > 2)
+ {
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+ return i.foo (n);
+#pragma GCC diagnostic pop
+ }
+
+ return 0;
+}
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