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-rw-r--r--contrib/llvm/patches/patch-r271432-clang-r205331-debug-info-crash.diff43
1 files changed, 43 insertions, 0 deletions
diff --git a/contrib/llvm/patches/patch-r271432-clang-r205331-debug-info-crash.diff b/contrib/llvm/patches/patch-r271432-clang-r205331-debug-info-crash.diff
new file mode 100644
index 0000000..a140206
--- /dev/null
+++ b/contrib/llvm/patches/patch-r271432-clang-r205331-debug-info-crash.diff
@@ -0,0 +1,43 @@
+Pull in r205331 from upstream clang trunk (by Adrian Prantl):
+
+ Debug info: fix a crash when emitting IndirectFieldDecls, which were
+ previously not handled at all.
+ rdar://problem/16348575
+
+Introduced here: http://svnweb.freebsd.org/changeset/base/271432
+
+Index: tools/clang/lib/CodeGen/CGDebugInfo.cpp
+===================================================================
+--- tools/clang/lib/CodeGen/CGDebugInfo.cpp (revision 205330)
++++ tools/clang/lib/CodeGen/CGDebugInfo.cpp (revision 205331)
+@@ -1252,7 +1252,7 @@ CollectTemplateParams(const TemplateParameterList
+ V = CGM.GetAddrOfFunction(FD);
+ // Member data pointers have special handling too to compute the fixed
+ // offset within the object.
+- if (isa<FieldDecl>(D)) {
++ if (isa<FieldDecl>(D) || isa<IndirectFieldDecl>(D)) {
+ // These five lines (& possibly the above member function pointer
+ // handling) might be able to be refactored to use similar code in
+ // CodeGenModule::getMemberPointerConstant
+Index: tools/clang/test/CodeGenCXX/debug-info-indirect-field-decl.cpp
+===================================================================
+--- tools/clang/test/CodeGenCXX/debug-info-indirect-field-decl.cpp (revision 0)
++++ tools/clang/test/CodeGenCXX/debug-info-indirect-field-decl.cpp (revision 205331)
+@@ -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 T, int T::*ptr> 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<Bar, &Bar::i2> the_foo;
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