https://llvm.org/bugs/show_bug.cgi?id=25370
Bug ID: 25370
Summary: [ms] Miscompile with explicit call of default
construct of virtual base
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: nicolaswe...@gmx.de
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Consider:
struct Test {
virtual ~Test() {}
};
struct BrowserTest : virtual public Test {};
struct NonsecureURLRequestTest : public BrowserTest {
NonsecureURLRequestTest() : BrowserTest() {}
};
int main() {
new NonsecureURLRequestTest();
}
> clang-cl foo.cc -m32
> foo
This crashes. (With or without optimizations, 32-bit and 64-bit.)
If NonsecureURLRequestTest is defined like so
struct NonsecureURLRequestTest : public BrowserTest {
NonsecureURLRequestTest() {}
};
then everything works fine.
This causes the test failure in http://crbug.com/549765
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