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d: Fix internal compiler error: in visit, at d/imports.cc:72 (PR108050)

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The visitor for lowering IMPORTED_DECLs did not have an override for
dealing with importing OverloadSet symbols.  This has now been
implemented in the code generator.

	PR d/108050

gcc/d/ChangeLog:

	* decl.cc (DeclVisitor::visit (Import *)): Handle build_import_decl
	returning a TREE_LIST.
	* imports.cc (ImportVisitor::visit (OverloadSet *)): New override.

gcc/testsuite/ChangeLog:

	* gdc.dg/imports/pr108050/mod1.d: New.
	* gdc.dg/imports/pr108050/mod2.d: New.
	* gdc.dg/imports/pr108050/package.d: New.
	* gdc.dg/pr108050.d: New test.
This commit is contained in:
Iain Buclaw 2022-12-10 19:12:43 +01:00
parent b045179973
commit d9d8c9674a
6 changed files with 34 additions and 2 deletions
gcc
d
decl.ccimports.cc
testsuite/gdc.dg
imports/pr108050
mod1.dmod2.dpackage.d
pr108050.d

12
gcc/d/decl.cc

@ -198,8 +198,16 @@ public:
tree name = (alias != NULL)
? get_identifier (alias->toChars ()) : NULL_TREE;
debug_hooks->imported_module_or_decl (decl, name, context,
false, false);
if (TREE_CODE (decl) != TREE_LIST)
debug_hooks->imported_module_or_decl (decl, name, context,
false, false);
else
{
/* Overload sets return a list of imported decls. */
for (; decl != NULL_TREE; decl = TREE_CHAIN (decl))
debug_hooks->imported_module_or_decl (TREE_VALUE (decl), name,
context, false, false);
}
}
}
else

14
gcc/d/imports.cc

@ -160,6 +160,20 @@ public:
d->aliassym->accept (this);
}
/* Build IMPORTED_DECLs for all overloads in a set. */
void visit (OverloadSet *d) final override
{
vec<tree, va_gc> *tset = NULL;
vec_alloc (tset, d->a.length);
for (size_t i = 0; i < d->a.length; i++)
vec_safe_push (tset, build_import_decl (d->a[i]));
this->result_ = build_tree_list_vec (tset);
tset->truncate (0);
}
/* Function aliases are the same as alias symbols. */
void visit (FuncAliasDeclaration *d) final override
{

2
gcc/testsuite/gdc.dg/imports/pr108050/mod1.d Normal file

@ -0,0 +1,2 @@
module imports.pr108050.mod1;
string[] split() { return null; }

2
gcc/testsuite/gdc.dg/imports/pr108050/mod2.d Normal file

@ -0,0 +1,2 @@
module imports.pr108050.mod2;
string[] split() { return null; }

2
gcc/testsuite/gdc.dg/imports/pr108050/package.d Normal file

@ -0,0 +1,2 @@
module imports.pr108050;
public import imports.pr108050.mod1, imports.pr108050.mod2;

4
gcc/testsuite/gdc.dg/pr108050.d Normal file

@ -0,0 +1,4 @@
// { dg-do compile }
// { dg-additional-sources "imports/pr108050/package.d imports/pr108050/mod1.d imports/pr108050/mod2.d" }
// { dg-options "-g" }
import imports.pr108050 : split;