798bdfa0eb
In an array append expression:
array ~= fun(array);
The array in the left hand side of the expression was extended before
evaluating the result of the right hand side, which resulted in the
newly uninitialized array index being used before set.
This fixes that so that the result of the right hand side is always
saved in a reusable temporary before assigning to the destination.
gcc/d/ChangeLog:
PR d/97843
* d-codegen.cc (build_assign): Evaluate TARGET_EXPR before use in
the right hand side of an assignment.
* expr.cc (ExprVisitor::visit (CatAssignExp *)): Force a TARGET_EXPR
on the element to append if it is a CALL_EXPR.
gcc/testsuite/ChangeLog:
PR d/97843
* gdc.dg/torture/pr97843.d: New test.
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README
This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the files whose names start with COPYING for copying permission. The manuals, and some of the runtime libraries, are under different terms; see the individual source files for details. The directory INSTALL contains copies of the installation information as HTML and plain text. The source of this information is gcc/doc/install.texi. The installation information includes details of what is included in the GCC sources and what files GCC installs. See the file gcc/doc/gcc.texi (together with other files that it includes) for usage and porting information. An online readable version of the manual is in the files gcc/doc/gcc.info*. See http://gcc.gnu.org/bugs/ for how to report bugs usefully. Copyright years on GCC source files may be listed using range notation, e.g., 1987-2012, indicating that every year in the range, inclusive, is a copyrightable year that could otherwise be listed individually.