# A templated forward declaration `Foo<T>` nested under DW_TAG_module M
# with no definition anywhere. The forward decl must be kept along with
# its DW_TAG_template_type_parameter child; otherwise the template
# parameter is dropped and `Foo<T>` becomes a bare `Foo` with
# DW_AT_declaration. Regression test for the parallel linker recursing
# through the children of preserved module forward decls.

RUN: rm -rf %t && mkdir -p %t
RUN: llc -O0 -mtriple=x86_64-apple-darwin -filetype=obj \
RUN:     -o %t/1.o %p/../Inputs/keep-module-fwd-decl-template/input.ll
RUN: dsymutil --linker parallel -f \
RUN:     -y %p/../Inputs/keep-module-fwd-decl-template/debug-map.map \
RUN:     -oso-prepend-path %t -o - 2>/dev/null \
RUN:   | llvm-dwarfdump --debug-info - | FileCheck %s

CHECK:      DW_TAG_module
CHECK-NEXT:   DW_AT_name {{.*}}"M"
CHECK:      DW_TAG_class_type
CHECK-NEXT:   DW_AT_name {{.*}}"Foo<T>"
CHECK-NEXT:   DW_AT_declaration
CHECK:        DW_TAG_template_type_parameter
CHECK-NEXT:     DW_AT_type {{.*}}"int"
CHECK-NEXT:     DW_AT_name {{.*}}"T"