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33e3b2c460
The assertion only happens with use of -fasy-exception without -fexcessions. The assertion appen during the call to generate SehScopeBegin(), where assert with: assert(CGF.Builder.GetInsertBlock() && InvokeDest); InvokeDest is null. Because exceptions are disabled, and SEH is not in use. The fix is before call EmitSehCppScopeBegin check getInvokeDest(), to avoid assert during the emit llvm.seh.scope.begin() Differential Revision: https://reviews.llvm.org/D157566
23 lines
557 B
C++
23 lines
557 B
C++
// RUN: %clang_cc1 -triple x86_64-windows -fasync-exceptions -x c++ \
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// RUN: -emit-llvm %s -o -| FileCheck %s
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extern "C" int printf(const char*,...);
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class PrintfArg
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{
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public:
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PrintfArg();
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PrintfArg(const char* s);
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// compiler crash fixed if this destructor removed
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~PrintfArg() {int x; printf("ddd\n"); }
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};
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void devif_Warning(const char* fmt, PrintfArg arg1 = PrintfArg());
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// CHECK-NOT: invoke void @llvm.seh.scope.begin()
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// CHECK-NOT: invoke void @llvm.seh.scope.end()
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unsigned myfunc(unsigned index)
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{
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devif_Warning("");
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return 0;
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}
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