<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>The reason for this error looks like an ambiguity in template resolution. In order to implement a "special" behavior for regex-based summaries, the Delete_Impl call uses template specialization:</div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Menlo; color: rgb(187, 35, 160); "><span style="color: #000000"> </span>template<span style="color: #000000"><</span>typename<span style="color: #000000"> K, </span>typename<span style="color: #000000"> V></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Menlo; "> <span style="color: #bb23a0">bool</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Menlo; "> Delete_Impl (ConstString type, Types<K,V>)</div></div><div>vs.</div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Menlo; color: rgb(187, 35, 160); "><span style="color: #000000"> </span>template<span style="color: #000000"><</span>typename<span style="color: #000000"> V></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Menlo; "> <span style="color: #bb23a0">bool</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Menlo; "> Delete_Impl (ConstString type, Types<lldb::RegularExpressionSP,V>)</div></div><div><br></div><div>Your compiler seems to be inferring correctly the template arguments, but has a doubt on whether it should pick the specialized function, or the general one replacing K = lldb::RegularExpressionSP</div><div><br></div><div>This is the first time I see a compiler being confused at this (LLDB is routinely compiled with clang and I guess several people compile it on Linux with GCC as well). This idiom is actually a quite common way to obtain one-function-specialization-inside-class-template.</div><div><br></div><div>In order to try and solve this, could you try to clean your LLDB build folder and try to build LLDB alone without the rest of LLVM, or using a different more recent version of GCC?</div><div><br></div><div>- <i>Enrico Granata</i></div><br><div><div>On Sep 22, 2011, at 4:07 PM, arrowdodger wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hello. I'm compiling trunk LLVM + trunk lldb on i386 FreeBSD 8 system (GCC 4.2.1) and see this error:<br><br>/usr/code/llvm/tools/lldb/source/Commands/../../include/lldb/Core/FormatNavigator.h: In member function 'bool lldb_private::FormatNavigator<KeyType, ValueType>::Delete(lldb_private::ConstString) [with KeyType = lldb_private::SharingPtr<lldb_private::RegularExpression>, ValueType = lldb_private::SummaryFormat]':<br>
CommandObjectType.cpp:1064: instantiated from here<br>/usr/code/llvm/tools/lldb/source/Commands/../../include/lldb/Core/FormatNavigator.h:269: error: call of overloaded 'Delete_Impl(lldb_private::ConstString&, lldb_private::FormatNavigator<lldb_private::SharingPtr<lldb_private::RegularExpression>, lldb_private::SummaryFormat>::Types<lldb_private::SharingPtr<lldb_private::RegularExpression>, lldb_private::SummaryFormat>)' is ambiguous<br>
/usr/code/llvm/tools/lldb/source/Commands/../../include/lldb/Core/FormatNavigator.h:333: note: candidates are: bool lldb_private::FormatNavigator<KeyType, ValueType>::Delete_Impl(lldb_private::ConstString, lldb_private::FormatNavigator<KeyType, ValueType>::Types<K, V>) [with K = lldb_private::SharingPtr<lldb_private::RegularExpression>, V = lldb_private::SummaryFormat, KeyType = lldb_private::SharingPtr<lldb_private::RegularExpression>, ValueType = lldb_private::SummaryFormat]<br>
/usr/code/llvm/tools/lldb/source/Commands/../../include/lldb/Core/FormatNavigator.h:340: note: bool lldb_private::FormatNavigator<KeyType, ValueType>::Delete_Impl(lldb_private::ConstString, lldb_private::FormatNavigator<KeyType, ValueType>::Types<lldb_private::SharingPtr<lldb_private::RegularExpression>, V>) [with V = lldb_private::SummaryFormat, KeyType = lldb_private::SharingPtr<lldb_private::RegularExpression>, ValueType = lldb_private::SummaryFormat]<br>
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