diff options
-rw-r--r-- | gcc/cp/cp-gimplify.cc | 10 | ||||
-rw-r--r-- | gcc/testsuite/g++.dg/init/pr53932.C | 25 |
2 files changed, 35 insertions, 0 deletions
diff --git a/gcc/cp/cp-gimplify.cc b/gcc/cp/cp-gimplify.cc index e4c2644..426b373 100644 --- a/gcc/cp/cp-gimplify.cc +++ b/gcc/cp/cp-gimplify.cc @@ -1004,6 +1004,16 @@ cp_fold_r (tree *stmt_p, int *walk_subtrees, void *data_) *stmt_p = stmt = cxx_constant_value (stmt); break; + case VAR_DECL: + /* In initializers replace anon union artificial VAR_DECLs + with their DECL_VALUE_EXPRs, as nothing will do it later. */ + if (DECL_ANON_UNION_VAR_P (stmt) && !data->genericize) + { + *stmt_p = stmt = unshare_expr (DECL_VALUE_EXPR (stmt)); + break; + } + break; + default: break; } diff --git a/gcc/testsuite/g++.dg/init/pr53932.C b/gcc/testsuite/g++.dg/init/pr53932.C new file mode 100644 index 0000000..3b129e7 --- /dev/null +++ b/gcc/testsuite/g++.dg/init/pr53932.C @@ -0,0 +1,25 @@ +// PR c++/53932 +// { dg-do link } + +static union { int i; }; +int &r = i; +int s = i; +int *t = &i; + +void +foo (int **p, int *q) +{ + static int &u = i; + static int v = i; + static int *w = &i; + int &x = i; + int y = i; + int *z = &i; + *p = &i; + *q = i; +} + +int +main () +{ +} |