https://llvm.org/bugs/show_bug.cgi?id=27666
Bug ID: 27666
Summary: Regression(r268727): clang-cl crashes parsing qos2.h
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: nicolaswe...@gmx.de
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
Repro is:
#include <qos2.h>
It reduces down to:
typedef struct in_addr {
union {
struct { unsigned char s_b1,s_b2,s_b3,s_b4; } S_un_b;
struct { unsigned short s_w1,s_w2; } S_un_w;
unsigned long S_addr;
} S_un;
} IN_ADDR;
__inline void f(const IN_ADDR __unaligned *a) {
IN_ADDR local_addr = *a;
}
C:\src\llvm-build>bin\clang-cl /c small.cc
small.cc(20,13) : error: no matching constructor for initialization of
'IN_ADDR' (aka 'in_addr')
IN_ADDR Ipv4Address = *a;
^ ~~
Assertion failed: CVR && "unexpected qualifiers mismatch", file
C:\src\llvm-rw\tools\clang\lib\Sema\SemaOverload.cpp, li
ne 9118
Could not write crash dump file: permission denied
#0 0x000000014089de45 (C:\src\llvm-build\bin\clang-cl.exe+0xf6de45)
#1 0x000007feef79ee1d raise (C:\Windows\system32\MSVCR120.dll+0x6ee1d)
#2 0x000007feef7a4a14 abort (C:\Windows\system32\MSVCR120.dll+0x74a14)
#3 0x000007feef7a5d14 _wassert (C:\Windows\system32\MSVCR120.dll+0x75d14)
#4 0x0000000141855e50 (C:\src\llvm-build\bin\clang-cl.exe+0x1f25e50)
#5 0x0000000141861f31 (C:\src\llvm-build\bin\clang-cl.exe+0x1f31f31)
#6 0x000000014186186d (C:\src\llvm-build\bin\clang-cl.exe+0x1f3186d)
#7 0x000000014180e696 (C:\src\llvm-build\bin\clang-cl.exe+0x1ede696)
#8 0x0000000141813759 (C:\src\llvm-build\bin\clang-cl.exe+0x1ee3759)
#9 0x00000001414e3047 (C:\src\llvm-build\bin\clang-cl.exe+0x1bb3047)
#10 0x00000001412ea695 (C:\src\llvm-build\bin\clang-cl.exe+0x19ba695)
#11 0x00000001412e944d (C:\src\llvm-build\bin\clang-cl.exe+0x19b944d)
#12 0x00000001412f7401 (C:\src\llvm-build\bin\clang-cl.exe+0x19c7401)
#13 0x00000001412e9c58 (C:\src\llvm-build\bin\clang-cl.exe+0x19b9c58)
#14 0x00000001413340bb (C:\src\llvm-build\bin\clang-cl.exe+0x1a040bb)
#15 0x0000000141333901 (C:\src\llvm-build\bin\clang-cl.exe+0x1a03901)
#16 0x000000014132ef0d (C:\src\llvm-build\bin\clang-cl.exe+0x19fef0d)
(note: both error, and crash)
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