[libcxxabi] r326871 - [demangler] Fix a mistake in r326797.

[Erik Pilkington via cfe-commits]

Author: epilk
Date: Tue Mar  6 20:29:33 2018
New Revision: 326871

URL: http://llvm.org/viewvc/llvm-project?rev=326871&view=rev
Log:
[demangler] Fix a mistake in r326797.

Thanks to Nico Weber for pointing this out!

Modified:
    libcxxabi/trunk/src/cxa_demangle.cpp
    libcxxabi/trunk/test/test_demangle.pass.cpp

Modified: libcxxabi/trunk/src/cxa_demangle.cpp
URL: 
http://llvm.org/viewvc/llvm-project/libcxxabi/trunk/src/cxa_demangle.cpp?rev=326871&r1=326870&r2=326871&view=diff
==============================================================================
--- libcxxabi/trunk/src/cxa_demangle.cpp (original)
+++ libcxxabi/trunk/src/cxa_demangle.cpp Tue Mar  6 20:29:33 2018
@@ -4788,8 +4788,8 @@ Node *Db::parse() {
     Node *Encoding = parseEncoding();
     if (Encoding == nullptr || !consumeIf("_block_invoke"))
       return nullptr;
-    consumeIf('_');
-    if (parseNumber().empty())
+    bool RequireNumber = consumeIf('_');
+    if (parseNumber().empty() && RequireNumber)
       return nullptr;
     if (numLeft() != 0)
       return nullptr;

Modified: libcxxabi/trunk/test/test_demangle.pass.cpp
URL: 
http://llvm.org/viewvc/llvm-project/libcxxabi/trunk/test/test_demangle.pass.cpp?rev=326871&r1=326870&r2=326871&view=diff
==============================================================================
--- libcxxabi/trunk/test/test_demangle.pass.cpp (original)
+++ libcxxabi/trunk/test/test_demangle.pass.cpp Tue Mar  6 20:29:33 2018
@@ -29716,6 +29716,8 @@ const char* cases[][2] =
 
     // ABI tags can apply to built-in substitutions.
     {"_Z1fSsB1XS_", "f(std::string[abi:X], std::string[abi:X])"},
+
+    {"___Z10blocksNRVOv_block_invoke", "invocation function for block in 
blocksNRVO()"},
 };
 
 const unsigned N = sizeof(cases) / sizeof(cases[0]);


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