decl.c (grokvardecl): Complete check added for c++/67065.

/cp
2015-08-21  Paolo Carlini  <paolo.carlini@oracle.com>

	* decl.c (grokvardecl): Complete check added for c++/67065.

/testsuite
2015-08-21  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.dg/other/pr67065.C: Extend.

From-SVN: r227061

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 245cf11..f8fae34 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,7 @@
+2015-08-21  Paolo Carlini  <paolo.carlini@oracle.com>
+
+       * decl.c (grokvardecl): Complete check added for c++/67065.
+
 2015-08-20  Jason Merrill  <jason@redhat.com>
 
        * name-lookup.c (hidden_name_p): Handle OVERLOAD.

diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 4f77e7c..ab55e75 100644 (file)
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -8357,7 +8357,8 @@ grokvardecl (tree type,
 
   if (DECL_NAME (decl)
       && MAIN_NAME_P (DECL_NAME (decl))
-      && CP_DECL_CONTEXT (decl) == global_namespace)
+      && CP_DECL_CONTEXT (decl) == global_namespace
+      && !at_function_scope_p ())
     error ("cannot declare %<::main%> to be a global variable");
 
   /* Check that the variable can be safely declared as a concept.

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 95c8257..08d7118 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2015-08-21  Paolo Carlini  <paolo.carlini@oracle.com>
+
+       * g++.dg/other/pr67065.C: Extend.
+
 2015-08-21  Nathan Sidwell  <nathan@acm.org>
 
        * lib/target-supports.exp (check_effective_target_freestanding): nvptx

diff --git a/gcc/testsuite/g++.dg/other/pr67065.C b/gcc/testsuite/g++.dg/other/pr67065.C
index cbf03b2..790bde4 100644 (file)
--- a/gcc/testsuite/g++.dg/other/pr67065.C
+++ b/gcc/testsuite/g++.dg/other/pr67065.C
@@ -1,3 +1,5 @@
 // PR c++/67065
 
 int main;  // { dg-error "cannot declare" }
+
+void foo() { int main; }