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Fix #20859 - ICE: class with __vtbl field name causes segfault in Scope::inCfile

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Dennis Korpel 2025-02-16 00:27:18 +01:00 • committed by The Dlang Bot
parent 72a9347165
commit eb083c06d9
2 changed files with 13 additions and 1 deletions
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3
compiler/src/dmd/dsymbolsem.d
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@ -4137,7 +4137,8 @@ private extern(C++) class AddMemberVisitor : Visitor
} }
// If using C tag/prototype/forward declaration rules // If using C tag/prototype/forward declaration rules
if (sc.flags & SCOPE.Cfile && !dsym.isImport()) if (sc && sc.flags & SCOPE.Cfile && !dsym.isImport())
// When merging master, replace with: if (sc && sc.inCfile && !dsym.isImport())
{ {
if (handleTagSymbols(*sc, dsym, s2, sds)) if (handleTagSymbols(*sc, dsym, s2, sds))
return; return;

11
compiler/test/fail_compilation/test20859.d Normal file
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@ -0,0 +1,11 @@
/**
TEST_OUTPUT:
---
fail_compilation/test20859.d(8): Error: variable `test20859.ICE.__vtbl` conflicts with variable `test20859.ICE.__vtbl` at fail_compilation/test20859.d(10)
---
*/
class ICE
{
void **__vtbl;
}