* [PATCH] Fix OpenMP return checking with lambda functions (PR c++/49043)
@ 2011-05-19 14:04 Jakub Jelinek
0 siblings, 0 replies; only message in thread
From: Jakub Jelinek @ 2011-05-19 14:04 UTC (permalink / raw)
To: gcc-patches
Hi!
return is just fine in lambda functions and in methods in classes declared
inside of OpenMP regions.
Fixed thusly, bootstrapped/regtested on x86_64-linux and i686-linux,
committed to trunk and 4.6 branch.
2011-05-19 Jakub Jelinek <jakub@redhat.com>
PR c++/49043
* decl.c (check_omp_return): Stop searching on sk_function_parms.
* testsuite/libgomp.c++/pr49043.C: New test.
--- gcc/cp/decl.c.jj 2011-05-17 13:32:18.000000000 +0200
+++ gcc/cp/decl.c 2011-05-19 10:27:46.000000000 +0200
@@ -2833,6 +2833,8 @@ check_omp_return (void)
error ("invalid exit from OpenMP structured block");
return false;
}
+ else if (b->kind == sk_function_parms)
+ break;
return true;
}
--- libgomp/testsuite/libgomp.c++/pr49043.C.jj 2011-05-19 10:31:57.000000000 +0200
+++ libgomp/testsuite/libgomp.c++/pr49043.C 2011-05-19 10:22:47.000000000 +0200
@@ -0,0 +1,19 @@
+// PR c++/49043
+// { dg-options "-std=c++0x" }
+// { dg-do run }
+
+extern "C" void abort ();
+
+int
+main ()
+{
+ int r = 0;
+ #pragma omp parallel for reduction (+:r)
+ for (int a = 0; a < 10; ++a)
+ {
+ auto func = [=] () { return a; };
+ r += func ();
+ }
+ if (r != 45)
+ abort ();
+}
Jakub
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