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Do not try to emit nested functions with unanalyzed parents.

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GitHub: Fixes #497.
This commit is contained in:
David Nadlinger
2013-10-13 21:37:53 +02:00
parent 07eec1840e
commit 265d3ee069
5 changed files with 35 additions and 18 deletions
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16
gen/functions.cpp
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@@ -910,6 +910,22 @@ void DtoDefineFunction(FuncDeclaration* fd)
if (fd->ir.defined) return;
fd->ir.defined = true;
// We cannot emit nested functions with parents that have not gone through
// semantic analysis. This can happen as DMD leaks some template instances
// from constraints into the module member list. DMD gets away with being
// sloppy as functions in template contraints obviously never need to access
// data from the template function itself, but it would still mess up our
// nested context creation code.
FuncDeclaration* parent = fd;
while ((parent = getParentFunc(parent, true)))
{
if (parent->semanticRun != PASSsemantic3done)
{
Logger::println("Ignoring nested function with unanalyzed parent.");
return;
}
}
if (fd->isUnitTestDeclaration()) {
if (global.params.useUnitTests)
gIR->unitTests.push_back(fd);