Message ID | 33351410467b29b38728c6a48e71a2b5c4518c2b.camel@tugraz.at |
---|---|
State | New |
Headers | show |
Series | Fix ICE with -g and -std=c23 when forming composite types [PR113438] | expand |
On Sat, 27 Jan 2024, Martin Uecker wrote: > Debug output ICEs when we do not set TYPE_STUB_DECL, fix this. > > > Fix ICE with -g and -std=c23 when forming composite types [PR113438] > > Set TYPE_STUB_DECL to an artificial decl when creating a new structure > as a composite type. > > PR c/113438 > > gcc/c/ > * c-typeck.cc (composite_type_internal): Set TYPE_STUB_DECL. > > gcc/testsuite/ > * gcc.dg/pr113438.c: New test. OK.
diff --git a/gcc/c/c-typeck.cc b/gcc/c/c-typeck.cc index 66c6abc9f07..cfa3b7ab10f 100644 --- a/gcc/c/c-typeck.cc +++ b/gcc/c/c-typeck.cc @@ -585,6 +585,11 @@ composite_type_internal (tree t1, tree t2, struct composite_cache* cache) /* Setup the struct/union type. Because we inherit all variably modified components, we can ignore the size expression. */ tree expr = NULL_TREE; + + /* Set TYPE_STUB_DECL for debugging symbols. */ + TYPE_STUB_DECL (n) = pushdecl (build_decl (input_location, TYPE_DECL, + NULL_TREE, n)); + n = finish_struct(input_location, n, fields, attributes, NULL, &expr); n = qualify_type (n, t1); diff --git a/gcc/testsuite/gcc.dg/pr113438.c b/gcc/testsuite/gcc.dg/pr113438.c new file mode 100644 index 00000000000..5612ee4fa38 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr113438.c @@ -0,0 +1,7 @@ +/* PR113438 + * { dg-do compile } + * { dg-options "-std=c23 -g" } */ + +void g(struct foo { int x; } a); +void g(struct foo { int x; } a); +