https://bugs.llvm.org/show_bug.cgi?id=34992
Bug ID: 34992
Summary: Fatal error: Offset not zero at the point of scalar
access
Product: new-bugs
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: douglas_y...@playstation.sony.com
CC: llvm-bugs@lists.llvm.org
Following r315984, one of our internal tests started to fail with the following
error from the compiler:
Offset not zero at the point of scalar access
%2 = load float, float* %india, align 4, !tbaa !6
!6 = !{!7, !9, i64 4}
4
fatal error: error in backend: Broken function found, compilation aborted!
You can reproduce this by compiling the following code with optimization’s
enabled:
Clang -cc1 -emit-obj -O2 reduced.cpp
Where reduced.cpp is the following code:
/* reduced.cpp */
class alpha;
namespace bravo {
namespace charlie {
void delta(alpha* element, char* name, float var);
}
namespace foxtrot {
class gulf { public: float hotel; float india; };
class juliet { public: gulf kilo[4]; };
}
namespace charlie {
class lima { public: bravo::foxtrot::juliet mike; };
void november( alpha* oscar, lima * papa ) {
alpha* quebec ;
delta(quebec, "romeo", papa->mike.kilo->india);
}
}
}
Thanks to Sunil for helping reduce this test for me.
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