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Jean Perier 2e65c8e8db [flang] Allow write after non advancing read in IO runtime 
1. To avoid overwriting the part of the record read in the non advancing read,
the furtherPositionInRecord field must be set to the max of the
furtherPositionInRecord and the positionInRecord at the beginning of the
IO write.

2. To allow any further read to succeed after the write, the unit
beganReadingRecord_ must be set to false when resetting the recordLength
during the write, otherwise, recordLength will not be computed in further
read and an assert is hit (at unit.cpp(398)).

The added unit test exercises both of these scenarios.

Differential Revision: https://reviews.llvm.org/D113740
 		2021-11-16 14:53:39 +01:00
..
CMakeLists.txt [flang] Revert 3 commits pushed by mistake along b7c07ce15f 2021-10-01 09:01:31 +02:00
ISO_Fortran_binding.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
allocatable.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
assign.cpp [flang] Make subscript list argument a nullable pointer 2021-11-08 11:53:13 -08:00
buffer.cpp [flang] Remove *- C++ -* incantation from runtime .cpp files. NFC 2021-09-03 07:17:45 +00:00
buffer.h [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
character.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
command.cpp [flang] Implement GET_ENVIRONMENT_VARIABLE(VALUE) 2021-11-01 09:19:20 +00:00
complex-reduction.c [flang] Change complex type define in runtime for clang-cl 2021-09-22 06:54:33 +00:00
complex-reduction.h [flang] Change complex type define in runtime for clang-cl 2021-09-22 06:54:33 +00:00
config.h.cmake [flang] Support platforms without strerror_r 2020-03-28 16:46:43 -05:00
connection.cpp [flang] Complete the fix for NAMELIST look-ahead case 2021-11-08 10:01:16 -08:00
connection.h [flang] Complete the fix for NAMELIST look-ahead case 2021-11-08 10:01:16 -08:00
copy.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
copy.h [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
derived-api.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
derived.cpp [flang][NFC] Document behavior for nonspecified/ambiguous cases 2021-10-11 11:06:07 -07:00
derived.h [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
descriptor-io.cpp [flang] Fix legitimate warning from latest GCC 2021-07-20 11:40:34 -07:00
descriptor-io.h [flang] Make subscript list argument a nullable pointer 2021-11-08 11:53:13 -08:00
descriptor.cpp [flang] Runtime performance improvements to real formatted input 2021-11-12 11:40:02 -08:00
dot-product.cpp [flang] Fix DOT_PRODUCT for logical 2021-10-22 15:56:20 -07:00
edit-input.cpp [flang] Runtime performance improvements to real formatted input 2021-11-12 11:40:02 -08:00
edit-input.h [flang][msvc] Avoid dependence on long double 2020-10-07 15:12:08 -07:00
edit-output.cpp [flang] Fix rounding edge case in F output editing 2021-11-12 11:16:25 -08:00
edit-output.h [flang] Fix rounding edge case in F output editing 2021-11-12 11:16:25 -08:00
environment.cpp [flang] Respect NO_STOP_MESSAGE=1 in runtime 2021-11-12 10:50:36 -08:00
environment.h [flang] Respect NO_STOP_MESSAGE=1 in runtime 2021-11-12 10:50:36 -08:00
extrema.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
file.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
file.h [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
findloc.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
format-implementation.h [flang] Extension: allow tabs in output format strings 2021-10-22 15:53:29 -07:00
format.cpp [flang] Remove *- C++ -* incantation from runtime .cpp files. NFC 2021-09-03 07:17:45 +00:00
format.h [flang] Support NAMELIST input of short arrays 2021-10-22 13:38:11 -07:00
internal-unit.cpp [flang] Runtime performance improvements to real formatted input 2021-11-12 11:40:02 -08:00
internal-unit.h [flang] Runtime performance improvements to real formatted input 2021-11-12 11:40:02 -08:00
io-api.cpp [flang] Emit unformatted headers & footers even with RECL= 2021-10-22 11:07:01 -07:00
io-error.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
io-error.h [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
io-stmt.cpp [flang] Allow write after non advancing read in IO runtime 2021-11-16 14:53:39 +01:00
io-stmt.h [flang] Runtime performance improvements to real formatted input 2021-11-12 11:40:02 -08:00
iostat.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
lock.h [flang] More Fortran runtime support for CHARACTER operations 2020-06-17 15:51:48 -07:00
main.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
matmul.cpp [flang] Speed common runtime cases of DOT_PRODUCT & MATMUL 2021-10-22 14:36:13 -07:00
memory.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
misc-intrinsic.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
namelist.cpp [flang] Make subscript list argument a nullable pointer 2021-11-08 11:53:13 -08:00
namelist.h [flang] Support NAMELIST input of short arrays 2021-10-22 13:38:11 -07:00
numeric.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
pointer.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
product.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
random.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
reduction-templates.h [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
reduction.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
stat.cpp [flang] Implement GET_ENVIRONMENT_VARIABLE(VALUE) 2021-11-01 09:19:20 +00:00
stat.h [flang] Implement GET_ENVIRONMENT_VARIABLE(VALUE) 2021-11-01 09:19:20 +00:00
stop.cpp [flang] Respect NO_STOP_MESSAGE=1 in runtime 2021-11-12 10:50:36 -08:00
sum.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
terminator.cpp [flang] Remove *- C++ -* incantation from runtime .cpp files. NFC 2021-09-03 07:17:45 +00:00
terminator.h [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
time-intrinsic.cpp [flang] More work on SYSTEM_CLOCK runtime API and implementation 2021-10-12 09:24:24 -07:00
tools.cpp [flang] runtime: Read environment variables directly 2021-10-28 07:49:30 +00:00
tools.h [flang] Speed common runtime cases of DOT_PRODUCT & MATMUL 2021-10-22 14:36:13 -07:00
transformational.cpp [flang] Fix ORDER= argument to RESHAPE 2021-11-12 10:25:00 -08:00
type-code.cpp [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
type-info.cpp [flang] Make subscript list argument a nullable pointer 2021-11-08 11:53:13 -08:00
type-info.h [flang] Make subscript list argument a nullable pointer 2021-11-08 11:53:13 -08:00
unit-map.cpp [flang] Remove *- C++ -* incantation from runtime .cpp files. NFC 2021-09-03 07:17:45 +00:00
unit-map.h [flang] Move runtime API headers to flang/include/flang/Runtime 2021-09-03 11:08:34 -07:00
unit.cpp [flang] Allow write after non advancing read in IO runtime 2021-11-16 14:53:39 +01:00
unit.h [flang] Runtime performance improvements to real formatted input 2021-11-12 11:40:02 -08:00