https://bugs.llvm.org/show_bug.cgi?id=51644
Bug ID: 51644
Summary: candidate template ignored: substitution failure [with
U = float]: variable length array cannot be formed
during template argument deduction
Product: clang
Version: 11.0
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: enhancement
Priority: P
Component: C++11
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected],
[email protected]
Created attachment 25196
--> https://bugs.llvm.org/attachment.cgi?id=25196&action=edit
c++test.cpp
The attached testcase fails:
c++test.cpp:16:12: error: no matching member function for call to 'mmm'
return ph.mmm(data, 10);
~~~^~~
c++test.cpp:10:14: note: candidate template ignored: substitution failure [with
U = float]: variable length array cannot be formed during template argument
deduction
inline U mmm(U data[(1U<<IntBits)+1], unsigned int mask) const {
^ ~
c++test.cpp:10:28: warning: shift count >= width of type
[-Wshift-count-overflow]
inline U mmm(U data[(1U<<IntBits)+1], unsigned int mask) const {
^ ~~~~~~~
1 warning and 1 error generated.
[yuri@yv /disk-samsung/freebsd-ports/audio/calf-lv2]$ c++ -std=c++11 -c
c++test.cpp
c++test.cpp:16:12: error: no matching member function for call to 'mmm'
return ph.mmm(data, 10);
~~~^~~
c++test.cpp:10:14: note: candidate template ignored: substitution failure [with
U = float]: variable length array cannot be formed during template argument
deduction
inline U mmm(U data[(1U<<IntBits)+1], unsigned int mask) const {
^ ~
c++test.cpp:10:28: warning: shift count >= width of type
[-Wshift-count-overflow]
inline U mmm(U data[(1U<<IntBits)+1], unsigned int mask) const {
^ ~~~~~~~
1 warning and 1 error generated.
clang-11
FreeBSD 13
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