https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94034
Bug ID: 94034
Summary: Broken diagnostic: 'result_decl' not supported by
dump_expr
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hstong at ca dot ibm.com
Target Milestone: ---
The following produces substitution text in an error message that is indicative
of missing format-for-message handling.
### SOURCE (<stdin>):
struct A { A *ap = this; };
constexpr A foo() {
return {};
}
void g() {
constexpr A a = foo();
}
### COMPILER INVOCATION:
g++ -fsyntax-only -xc++ -
### COMPILER OUTPUT:
<stdin>: In function 'void g()':
<stdin>:6:23: error: 'A{(&'result_decl' not supported by dump_expr<expression
error>)}' is not a constant expression
### COMPILER VERSION INFO (g++ -v):
Using built-in specs.
COLLECT_GCC=/opt/wandbox/gcc-head/bin/g++
COLLECT_LTO_WRAPPER=/opt/wandbox/gcc-head/libexec/gcc/x86_64-pc-linux-gnu/10.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../source/configure --prefix=/opt/wandbox/gcc-head
--enable-languages=c,c++ --disable-multilib --without-ppl --without-cloog-ppl
--enable-checking=release --disable-nls --enable-lto
LDFLAGS=-Wl,-rpath,/opt/wandbox/gcc-head/lib,-rpath,/opt/wandbox/gcc-head/lib64,-rpath,/opt/wandbox/gcc-head/lib32
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 10.0.1 20200302 (experimental) (GCC)
