https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115301
Bug ID: 115301
Summary: [OpenMP] Fix handling spaces in OpenMP directives –
optional in F90, deprecated in F
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: diagnostic, openmp, rejects-valid
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: burnus at gcc dot gnu.org
Target Milestone: ---
OpenMP permits in free-form Fortran:
"One or more blanks or horizontal tabs are optional to separate adjacent
keywords in directive-names unless otherwise specified."
and gives as example:
!$omp paralleldo shared(a,b,c)
GCC currently requires a space between 'parallel' and 'do'. (While the wording
suggests that the space between 'do' and 'shared' is mandatory).
→ Rejects valid issue.
Note: ifort, flang, xlf, ... do handle this syntax.
* * *
TR13 likely contains the following two changes (OpenMP Spec Issue #3871):
[Free form]
* The above use is deprecated, requiring a space between the directive names
(i.e 'parallel do' not 'paralleldo').
→ Add -Wdeprecated warning
[Fixed form]
* There are planned changes for the white-space handling, deprecating the
current usage.
→ Eventually add a -Wdeprecated warning
