richi's LTO debug patch mentioned in a comment that __dso_handle didn't have a proper DECL_CONTEXT; this fixes that.
Tested x86_64-pc-linux-gnu, applying to trunk.
commit b96b9abccb1afd301fb907dcfb327ffac05998b1 Author: Jason Merrill <ja...@redhat.com> Date: Mon Jul 31 16:46:46 2017 -0400 * decl.c (declare_global_var): Set DECL_CONTEXT. diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c index 4ec38b8..aab2019 100644 --- a/gcc/cp/decl.c +++ b/gcc/cp/decl.c @@ -7583,6 +7583,7 @@ declare_global_var (tree name, tree type) TREE_PUBLIC (decl) = 1; DECL_EXTERNAL (decl) = 1; DECL_ARTIFICIAL (decl) = 1; + DECL_CONTEXT (decl) = FROB_CONTEXT (global_namespace); /* If the user has explicitly declared this variable (perhaps because the code we are compiling is part of a low-level runtime library), then it is possible that our declaration will be merged