[LLVMbugs] [Bug 18427] New: Bad alignment in clang::APValue
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Wed Jan 8 18:20:57 PST 2014
http://llvm.org/bugs/show_bug.cgi?id=18427
Bug ID: 18427
Summary: Bad alignment in clang::APValue
Product: clang
Version: trunk
Hardware: Sun
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: stoklund at 2pi.dk
CC: llvmbugs at cs.uiuc.edu
Classification: Unclassified
clang::APValue contains this code:
union {
void *Aligner;
char Data[MaxSize];
};
APSInt &getInt() {
assert(isInt() && "Invalid accessor");
return *(APSInt*)(char*)Data;
}
APSInt has a uint64_t member which can have larger alignment than a pointer.
This makes clang crash on SPARC.
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