commit 96365aef99ec463375dfdaf6eb260823e0477b6a Author: Adrian Prantl Date: Tue Apr 1 17:52:06 2014 +0000 Debug info: fix a crash when emitting IndirectFieldDecls, which were previously not handled at all. rdar://problem/16348575 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@205331 91177308-0d34-0410-b5e6-96231b3b80d8 diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp index 82db942..2556cf9 100644 --- tools/clang/lib/CodeGen/CGDebugInfo.cpp +++ tools/clangb/lib/CodeGen/CGDebugInfo.cpp @@ -1252,7 +1252,7 @@ CollectTemplateParams(const TemplateParameterList *TPList, V = CGM.GetAddrOfFunction(FD); // Member data pointers have special handling too to compute the fixed // offset within the object. - if (isa(D)) { + if (isa(D) || isa(D)) { // These five lines (& possibly the above member function pointer // handling) might be able to be refactored to use similar code in // CodeGenModule::getMemberPointerConstant diff --git a/test/CodeGenCXX/debug-info-indirect-field-decl.cpp b/test/CodeGenCXX/debug-info-indirect-field-decl.cpp new file mode 100644 index 0000000..131ceba --- /dev/null +++ tools/clang/test/CodeGenCXX/debug-info-indirect-field-decl.cpp @@ -0,0 +1,17 @@ +// RUN: %clang_cc1 -emit-llvm -g -triple x86_64-apple-darwin %s -o - | FileCheck %s +// +// Test that indirect field decls are handled gracefully. +// rdar://problem/16348575 +// +template class Foo { }; + +struct Bar { + int i1; + // CHECK: [ DW_TAG_member ] [line [[@LINE+1]], size 32, align 32, offset 32] [from _ZTSN3BarUt_E] + union { + // CHECK: [ DW_TAG_member ] [i2] [line [[@LINE+1]], size 32, align 32, offset 0] [from int] + int i2; + }; +}; + +Foo the_foo;