Handle conversion operators correctly.

Because these now parse as templates instead of template-templates, we need to special case the conversion operator case when printing function return types, as described in the CXX ABI text. We can do ctors and dtors here as well, which requires the change to the existing test. See https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob;f=libiberty/cp-demangle.c;h=3f2a097e7f2075e5750e40a31ce46589d4ab83d5;hb=e6d079c2fb797e84d7d234f9c8277fbe4558213b#l2464 for an explanation of the grammar involved.
gimli-rs · Jun 5, 2018 · 4fe7e3f · 4fe7e3f
1 parent f5b06f3
commit 4fe7e3f
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diff --git a/build.rs b/build.rs
@@ -151,7 +151,7 @@ use std::fmt::Write;
         s.extend(179..180);
         s.extend(181..182);
         s.extend(185..186);
-        s.extend(188..189);
+        s.extend(187..190);
         s.extend(201..202);
         s.extend(203..204);
         s