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thiscall"
Update the test cases to pass when lambda call operators use thiscall.
Update the lambda-to-block conversion operator to use the default free
function calling convention instead of the call operator's convention.
This reverts commit r233082 and re-instates r233023.
llvm-svn: 233835
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http://bb.pgr.jp/builders/ninja-clang-i686-msc18-R/builds/572
llvm-svn: 233082
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Fixes an issue reported by Daniel Berenyi on cfe-dev.
llvm-svn: 233023
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consider C++ that looks like:
inline int &f(bool b) {
if (b) {
static int i;
return i;
}
static int i;
return i;
}
Both 'i' variables must have distinct (and stable) names for linkage
purposes. The MSVC 2013 ABI would number the variables using a count of
the number of scopes that have been created. However, the final 'i'
returns to a scope that has already been created leading to a mangling
collision.
MSVC 2015 fixes this by giving the second 'i' the name it would have if
it were declared before the 'if'. However, this results in ABI breakage
because the mangled name, in cases where there was no ambiguity, would
now be different.
We implement the new behavior and only enable it if we are targeting the
MSVC 2015 ABI, otherwise the old behavior will be used.
This fixes PR18131.
llvm-svn: 232766
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This changes the scope discriminator's behavior to start at '1' instead
of '0'. Symbol table diffing, for ABI compatibility testing, kept
finding these as false positives.
llvm-svn: 219075
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The MS ABI forces us into catch-22 when it comes to functions which
return types which are local:
- A function is mangled with it's return type.
- A type is mangled with it's surrounding context.
Avoid this by mangling auto and decltype(autp) directly into the
function's return type. Using this mangling has the double advantage of
being compatible with the C++ standard without crashing the compiler.
N.B. For the curious, the MSVC mangling leads to collisions amongst
template functions and either crashes when faced with local types or is
otherwise incapable of returning them.
llvm-svn: 205282
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We wouldn't recognize variable templates as being templates leading us
to leave the template arguments off of the mangled name. This would
allow two unrelated templates to map to the same mangled name.
N.B. While MSVC doesn't support variable templates as of this date,
this mangling is the most likely thing they will choose to use. Their
demangler can successfully demangle our manglings with the template
arguments shown.
llvm-svn: 202789
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