https://sourceware.org/bugzilla/show_bug.cgi?id=24851
Bug ID: 24851
Summary: gas/testsuite/gas/epiphany/badrelax.s failure with
MALLOC_PERTURB_=1
Product: binutils
Version: 2.33 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: amodra at gmail dot com
Target Milestone: ---
regexp_diff match failure
regexp "^ 2: 013b 0000 sub r0,r0,2$"
line " 2: 013b ff00 *unknown*"
FAIL: badrelax
If as-new is run under valgrind, it complains about writing uninitialised
memory to file.
Some uninitialised memory is read in md_convert_frag:
/* Do all the housekeeping for frag conversions. */
switch (fragP->fr_subtype)
{
case EPIPHANY_RELAX_ARITH_SIMM11:
*opcode |= OP4_IMM32;
displacement = &opcode[0];
extension += 3;
addend
= (((addend & 0x7) << 7)
| opcode[0]
| ((addend & 0x7f8) << 13)
| (opcode[1] << 8)
| (opcode[2] << 16));
opcode[2] is uninitialised.
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