[LLVMbugs] [Bug 18500] New: Bad alignment in MultiSource/Applications/ALAC/encode test

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=18500

            Bug ID: 18500
           Summary: Bad alignment in MultiSource/Applications/ALAC/encode
                    test
           Product: Test Suite
           Version: trunk
          Hardware: Sun
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Nightly Tester
          Assignee: unassignedbugs at nondot.org
          Reporter: stoklund at 2pi.dk
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

The file ac_enc.c contains this code:

static inline void ALWAYS_INLINE dyn_jam_noDeref_large(unsigned char *out,
uint32_t bitPos, uint32_t numBits, uint32_t value)
{
    uint32_t *    i = (uint32_t *)(out + (bitPos>>3));
    uint32_t    curr;
    curr = *i;

In can't find any indication that "out + (bitPos>>3)" should be an aligned
pointer, and this crashes with an alignment exception when running the test on
SPARC.

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