[Bug 205663] clang++ 3.7.1 gets Bus Errors during compilation on arm that has SCTLR bit[1]==1 (alignment required)

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205663

--- Comment #1 from Mark Millard <markmi at dsl-only.net> ---
I forgot to include the asked-for stack backtrace and some related information:

Program terminated with signal 10, Bus error.
#0  0x00c404d0 in
clang::DependentTemplateSpecializationType::DependentTemplateSpecializationType
()
[New Thread 22a18000 (LWP 100173/<unknown>)]
(gdb) bt
#0  0x00c404d0 in
clang::DependentTemplateSpecializationType::DependentTemplateSpecializationType
()
#1  0x00d86634 in clang::ASTContext::getDependentTemplateSpecializationType ()
#2  0x00d865d8 in clang::ASTContext::getDependentTemplateSpecializationType ()
#3  0x00d862d4 in clang::ASTContext::getDependentTemplateSpecializationType ()
#4  0x00553b7c in clang::Sema::ActOnTypenameType ()
#5  0x0040cb68 in clang::Parser::TryAnnotateTypeOrScopeToken ()
#6  0x00471198 in $a.28 ()
#7  0x00471198 in $a.28 ()
(gdb) x/1i 0x00c404d0
0xc404d0
<_ZN5clang35DependentTemplateSpecializationTypeC2ENS_21ElaboratedTypeKeywordEPNS_19NestedNameSpecifierEPKNS_14IdentifierInfoEjPKNS_16TemplateArgumentENS_8QualTypeE+356>: 
  vst1.64       {d16-d17}, [r4]!
(gdb) info all-registers
r0             0xbfbf9778       -1077962888
r1             0x22ac59c4       581720516
r2             0xc45ff8 12869624
r3             0x2      2
r4             0x22ac59ac       581720492
. . .

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